
Platycodin D(58479-68-8)
- CAS Registry Number:
- 58479-68-8
- Synonyms:
- PlatycodinD;
- Molecular Formula:
- C57H92O28
- Molecular Weight:
- 1225.34
- EINECS:
CAS No.:58479-68-8
Name: Platycodin D
Related Suppliers
CAS No.58479-68-8 Platycodon Fluidextract GMP factory
Assay:Total Saponins of Platycodon (W.M) :鈮?.0%(g/ml) Appearance:Platycodon Fluidextract is a red-brown liquid. It is miscible with water, producing slight turbidity. It has a mild taste at first, followed by an acrid and bitter taste. Package:25kg/plastic bucket Storage:Preserve in tight, light-resistant containers, and avoid exposure to direct sunlight and to excessive heat. Transportation:by sea Application:In pharmaceutical industry: Palliative medicine, often used in combination with phlegm relieving cough medicine, can reduce the stimulation of pharyngeal mucosa, and have the effect of relieving gast
Min. Order:1000Kilogram
Supplier:SHAANXI FUJIE PHARMACEUTICAL CO.,LTD [
China (Mainland)]
CAS No.58479-68-8 E-0660 Platycodin D
Assay:more than 98% Package:10mg,20mg,1g or on request, reagent bottle Storage:-20degree Transportation:ice bag Application:FOR RESEARCH USE ONLY
Min. Order:0Metric Ton
Supplier:shanghai Tauto Biotech Co., Ltd [
China (Mainland)]
CAS No.58479-68-8 Newblue-CHEM - cephaeline hydrochloride
Assay:99.0% Appearance:Solid Package:IN 25kg drums Storage:In Room Temperature Transportation:As per MSDS Application:Organic synthesis
Min. Order:1Gram
Supplier:HENAN NEW BLUE CHEMICAL CO.,LTD [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:99%min. Appearance:white powder Package:1kg/Export worthy packing; 25kg/drum Storage:In well-closed container, protected from light and in cool & dry place. Transportation:By Air, By Sea, By courier (door to door, DHL/FedEx/UPS) Application:R&D and production for pharmaceuticals and chemicals
Min. Order:1Gram
Supplier:LIDE PHARMACEUTICALS LIMITED [
China (Mainland)]
CAS No.58479-68-8 Platycodon Grangdiflorum Extract Powder CAS NO.58479-68-8
Assay:99% Appearance:powder or liquid Package:according to customer requirements Storage:store in dry dark and ventilated place Transportation:By Sea/Air/Courier Application:Pharmaceutical industry
Min. Order:10Gram
Supplier:Zibo Hangyu Biotechnology Development Co., Ltd [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:99% Package:According client's requirements Transportation:by sea/by air/by courier Application:Chemical products
Min. Order:1Kilogram
Supplier:Hangzhou ZeErRui Chemical Co., Ltd. [
China (Mainland)]
CAS No.58479-68-8 Platycodin D CAS:58479-68-8
Assay:99% Appearance:Brown powder Package:According to customer requirements Storage:Avoid light, ventilation and shade Transportation:Sea or Air Application:Medical research field
Min. Order:1Gram
Supplier:Qingdao Beluga Import and Export Co., LTD [
China (Mainland)]
CAS No.58479-68-8 Platycodon Grandiflorum (Jiegeng) for Raw Material and Pharmaceutical Grade/
Assay:98% Appearance:white powder Package:Inside plastic outside Storage:under inert gas (nitrogen or Argon) at 2-8掳C Transportation:We will pack and ship according to your requirements. Application:Used in organic chemicals or pharmaceutical intermediates
Min. Order:1Kilogram
Supplier:Hebei Nengqian Chemical Import and Export Co., LTD [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:99% Appearance:White fine powder Package:according to the clients requirement Transportation:Transportation by express, air, sea; port mainly to Qingdao / Tianjin / Shanghai, or according to customer needs to send different ports and aviation. Application:An important raw material and intermed
Min. Order:1Kilogram
Supplier:Shandong Hanjiang Chemical Co., Ltd. [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:99% Appearance:powder Package:Ex-factory package Storage:Keep in dark place,Sealed in dry,Room Temperature Transportation:1.Stock products are normally shipping within 3 working days. 2.For rush delivery, please contact our sales team for particular arrangement. Shipping Details: 1.We ship goods via DHL, Application:Organic chemicals
Min. Order:1Gram
Supplier:HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:99.0% Appearance:liquid Package:Grams, Kilograms Storage:Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials. Transportation:According to customer request Application:For R&D and commerical use
Min. Order:100Gram
Supplier:Chemlyte Solutions [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:鈮?8% Appearance:powder Package:BAG Storage:In cool ,dry place Transportation:Air or sea freight Application:for pharma use
Min. Order:1Kilogram
Supplier:Qingdao Chengyuan Kaisheng Industry and Trade Co., Ltd. [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:NLT 98% Appearance:White powder Package:Aluminum bag Storage:2-8鈩?nbsp;Transportation:By air Application:Used in tested extract
Min. Order:0
Supplier:Hangzhou Huarong Pharm Co., Ltd. [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:0.98 Appearance:Off white to slight yellow solid Package:1L 5L 10L 25L bottle Storage:Stored in shaded, cool and dry places Transportation:Handle with cares to avoid damaging the packages. Protect them from sunshine or rain. We can send by Fedex, by ship or by plane according to international rules. Application:pharma intermediate
Min. Order:0
Supplier:Antimex Chemical Limied [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:99% Appearance:White powder Package:200/Kilograms Storage:Sealed and preserved Transportation:By sea Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents
Min. Order:0
Supplier:GIHI CHEMICALS CO.,LIMITED [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:99% Package:25kg/Drum Storage:100tons Transportation:By air/By sea Application:Chemical industry
Min. Order:0
Supplier:Hebei Mujin Biotechnology Co.,Ltd [
China (Mainland)]
CAS No.58479-68-8 PlatycodinD
Assay:99% Package:25kg/Barrel Storage:ln stock Transportation:Express/Sea/Air Application:Chemicals
Min. Order:0
Supplier:Hangzhou Sartort Biopharma Co., Ltd [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:99% Transportation:By sea Application:Pharmaceutical industry
Min. Order:0
Supplier:Hebei KuiSheng Trading Co., LTD [
China (Mainland)]
CAS No.58479-68-8 PlatycodinD
Assay:98% Application:intermediate
Min. Order:0
Supplier:SAGECHEM LIMITED [
China (Mainland)]
CAS No.58479-68-8 PlatycodinD
Assay:99% Appearance:Solid Storage:Protect from light and keep dry Application:Pharmaceutical intermediates
Min. Order:0
Supplier:ORCHID CHEMICAL SUPPLIES LTD [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:98%min Package:20mg Application:The refence standard products, for lab use, also we could produce bigger quantity on yr requirement.
Min. Order:0
Supplier:Hangzhou Dingyan Chem Co., Ltd [
China (Mainland)]
CAS No.58479-68-8 (2S,3R,4S,5S)-3-(((2S,3R,4S,5R,6S)-5-(((2S,3R,4S,5R)-4-(((2S,3R,4R)-3,4-Dihydroxy-4-(hydroxymethyl)tetrahydrofuran-2-yl)oxy)-3,5-dihydroxytetrahydro-2H-pyran-2-yl)oxy)-3,4-dihydroxy-6-methyltetrahydro
Assay:95% Application:Chemical intermediate
Min. Order:0
Supplier:HANGZHOU TIANYE CHEMICALS CO., LTD. [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:98% Application:Organic chemicals
Min. Order:0
Supplier:EAST CHEMSOURCES LIMITED [
China (Mainland)]
CAS No.58479-68-8 Platycodin DCAS NO.: 58479-68-8
Assay:99% Appearance:liquid Package:drum Storage:common Transportation:Meet buyer's delivery Application:intermediate
Min. Order:1Gram
Supplier:Henan Wentao Chemical Product Co., Ltd. [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:99%+ Appearance:white powder Package:25kg,50kg,180kg,200kg,250kg,1000kg锛宑ustomization Storage:Keep it in dry,shady and cool place Transportation:Transit could be DHL,UPS,TNT,EMS,Fedex,and so on. For mass orders, it will be delivered by air or sea. For small order, please expect 3-7 days by UPS DHL EMS. For mass order, please allow 5-8 days. Application:Pharma;Industry;Agricultural;chemical reaserch
Min. Order:1Kilogram
Supplier:Wuhan Circle Star Chem-medical Technology co.,Ltd. [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:95%-98% Appearance:24512-62-7 Package:Brown vial HDPE plastic bottle Storage:Store in dry, dark and ventilated place Application:24512-62-7
Min. Order:0Metric Ton
Supplier:Chengdu Biopurify Phytochemicals Ltd. [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:99% Package:box or opp package Storage:cool drum Transportation:air or sea Application:Platycodin D
Min. Order:1Milligram
Supplier:weifang yangxu group co.,ltd [
China (Mainland)]
CAS No.58479-68-8 Platycodin D CAS No:58479-68-8
Assay:HPLC鈮?8% Package:Brown vial HDPE plastic bottle Transportation:by air Application:the product is only used for scientific research experiments and should not be used for human injection, food or other purposes. This solution must be freshly prepared before using to avoid degrad...
Min. Order:0
Supplier:Chengdu Lemeitian Pharmaceutical Technology Co,. Ltd [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:99 Appearance:powder, or liquid Package:Bottle, barrel, cargo, container, etc. Storage:Stored in room temperature, ventilated place Transportation:By air, ship, express, etc. Application:Pharmaceuticals, intermediates, APIs, custom synthesis, chemicals
Min. Order:0
Supplier:LEAP CHEM Co., Ltd. [
China (Mainland)]
CAS No.58479-68-8 鈮?7% high purity high quality custom manufacturing natural extract PlatycodinD 58479-68-8
Assay:鈮?7% by HPLC Application:Herbal extracts
Min. Order:0
Supplier:Sinoway Industrial Co., Ltd. [
China (Mainland)]
CAS No.58479-68-8 Radix Platycodonis Extract
Assay:4:1 5:1 10:1 20:1 Appearance: Brown fine powder Package:Food grade multiplayer polyethylene bags, 25kg in one type cardboard drum Storage:Store in a cool dry place, avoiding sunlight directly Transportation:DHL/by sea Application:health food
Min. Order:1Kilogram
Supplier:Greenutra Resource Inc [
China (Mainland)]
CAS No.58479-68-8 Platycodin D CAS: 58479-68-8
Assay:98% Appearance: white powder Package: 25KG/drum Storage:Store in cool and dry place, away from sun light. Transportation:By sea or by air Application:Animal Pharmaceuticals
Min. Order:5Metric Ton
Supplier:Henan Sinotech Import&Export Corporation [
China (Mainland)]
CAS No.58479-68-8 Pharmaceutical Grade CAS 58479-68-8 with competitive price
Assay:99% Appearance:White powder Package: [Packaging]20mg, 50mg,100mg,1g,10g,100g,according to customers' requirements Storage: should be stored in a well-closed container at low temperature, keep away from moisture, heat and light. Transportation:1. Samples 1kg-10kg are shipped by international express. 2. 50kg-100kg of goods are transported by dedicated line logistics. 3. Cargo 100kg-1ton is transported by dedicated line logistics. Application:Chemical raw materials, pharmaceutical intermediates, cosmetic raw materials, etc.
Min. Order:1Kilogram
Supplier:Zhuozhou Wenxi import and Export Co., Ltd [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:鈮?8% Appearance:detailed see specifications Package:According to the clients requirement. Storage:Store at 2~8掳C Transportation:by air or by ocean shipping Application:analysis,activity test,Botanical Reference Materials,Standard materials
Min. Order:10Milligram
Supplier:Hubei CuiRan Biotechnology Co., Ltd [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:99% Appearance:liquid or powder Package:according to the clients requirement Storage:Dry and Cool Place Transportation:UPS FedEx ,DHL,EXPRESS LINE Application:API
Min. Order:1Gram
Supplier:Shandong Mopai Biotechnology Co., LTD [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:97% Appearance:Powder or liquid Package:According to customer Storage:Store in a tightly closed container, in a cool and dry place. Transportation:Fedex,DHL,TNT,BY SEA and BY AIR Application:Medicinal Chemistry Biomedicine Pharmaceutical intermediates Chemistry experiment Biological experiments Chemical reagent For R&D use only.
Min. Order:10Milligram
Supplier:Amadis Chemical Co., Ltd. [
China (Mainland)]
CAS No.58479-68-8 Acmec Platycodin D P52870 20mg
Assay:Analysis control,鈮?8%锛圚PLC锛?nbsp;Appearance:See the datasheet Package:20mg Storage:2-8掳C Transportation:By Express, Air and Road Application:Analytical reagent, biochemical reagent, standard
Min. Order:1bottle
Supplier:Shanghai Acmec Biochemical Technology Co., Ltd. [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:99% Appearance:Colorless transparent liquid Package:1KG Storage:Store sealed at 2~8 degrees Celsius Transportation:2~8 degrees low temperature transport Application:API intermediate
Min. Order:1Gram
Supplier:Shanghai Huici Pharmaceutical Technology Co., LTD [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:95% Appearance:white crystals powder Package:according to the clients requirement Storage:Room temperature with sealed well Transportation:by sea or by air Application:Use as primary and secondary intermediate
Min. Order:0
Supplier:BOC Sciences [
United States]
CAS No.58479-68-8 Platycodin D manufacturer
Assay:HPLC鈮?8% Appearance:White powder Package:According client's requirements Storage:keep sealed and keep from direct light Transportation:by express or by sea Application:pharmaceutical
Min. Order:0
Supplier:Shanghai Yuanye Bio-Technology Co., Ltd. [
China (Mainland)]
CAS No.58479-68-8 Platycodin D CAS No.58479-68-8
Assay:99.90% Appearance:solid or liquid Package:As customer's requested Storage:sealed in cool and dry place Transportation:by courier/air/sea Application:Pharma Intermediate
Min. Order:0
Supplier:Guangdong Juda Chemical Industrial Co.,Limited [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:High purity Appearance:Powder Package:1kg/tin 5kg/tin 25kg/carton Storage:Store in dry, cool and ventilated place Transportation:By sea By air By courier Application:Use in healthcare products. Use in food products. Use in Cosmetic products.
Min. Order:0
Supplier:Asure Biochem CO.,LTD. [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:99% Application:Industrial use
Min. Order:0
Supplier:Yinglang Chemical Company [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:98% Application:chemical reagent
Min. Order:0
Supplier:SHANDONG BENRITE NEW CHEMICAL MATERIALS CO.,LTD. [
China (Mainland)]
CAS No.58479-68-8 Platycodin D
Assay:98% Package:According to the demand of customer Storage:Sealed, dry, microtherm , avoid light and smell. Transportation:by air or by sea Application:Organic synthesis
Min. Order:0
Supplier:Henan Allgreen Chemical Co.,Ltd [
China (Mainland)]
- shanghai Tauto Biotech Co., Ltd
China (Mainland)
- Tel:+86-21-51320588 ext. 8025
- No. 326, Aidisheng Rd , Zhangjiang Hi-tech Park, Shanghai , P.R.CHINA
- SHAANXI FUJIE PHARMACEUTICAL CO.,LTD
China (Mainland)
- Tel:+86-29-63650906
- Yuanqu Yi Road, Qinghe Food Industrial Park, Sanyuan County, Shaanxi Province, China
- Qingdao Chengyuan Kaisheng Industry and Trade Co., Ltd.
China (Mainland)
- Tel:+86-153-13788753
- Room 360, Zhongbo International Business Building, No. 53, Xiangtan Road, Licang District
- Hangzhou Huarong Pharm Co., Ltd.
China (Mainland)
- Tel:+86-571-86758373
- Room1101, Hakim International Building, Gongshu District, Hangzhou, Zhejiang Province, China.
- LIDE PHARMACEUTICALS LIMITED
China (Mainland)
- Tel:+86-25-58409506
- 11F, Building A1, No.288 North Zhongshan Road, Gulou District, Nanjing,210003, P.R.China.
- weifang yangxu group co.,ltd
China (Mainland)
- Tel:+08613666361637--
- No 5.dongfeng east street.gaoxin district.weifang city.
- SHANDONG BENRITE NEW CHEMICAL MATERIALS CO.,LTD.
China (Mainland)
- Tel:86-0533-2866658
- Zibo Science and Technology Industrial Park, Zibo City,Shandong Province
- Shanghai Huici Pharmaceutical Technology Co., LTD
China (Mainland)
- Tel:--
- 602, Building 1, North Building, No.8 Xiaoye Road, Fengxian District, Shanghai
- Hebei KuiSheng Trading Co., LTD
China (Mainland)
- Tel:15350525905
- 518, Mansion No. 3, Guang 'an Street, Chang 'an District, Shijiazhuang, Hebei
- Shanghai Acmec Biochemical Technology Co., Ltd.
China (Mainland)
- Tel:86-400-9004166
- 459 Nanzhong Road, Nanqiao, Xingtang County, Fengxian Districtct, Shanghai
- Shanghai Acmec Biochemical Technology Co., Ltd.
China (Mainland)
- Tel:86-400-9004166
- 459 Nanzhong Road, Nanqiao, Xingtang County, Fengxian Districtct, Shanghai
- Shandong Mopai Biotechnology Co., LTD
China (Mainland)
- Tel:+86-15965530500
- shandong
- Hubei CuiRan Biotechnology Co., Ltd
China (Mainland)
- Tel:+86-181-62789756
- Room301 at 3rd floor,building of R&D in Non-governmental Science&Technology Zone,Che cheng South Road of Economic&Technology Area, Wuhan , Hubei province, China
- Wuhan Circle Star Chem-medical Technology co.,Ltd.
China (Mainland)
- Tel:+86-13437180835
- Room 02-31, 13 / F, Building 9, Guannan Fuxing Medical Park Phase II, No.58, Guanggu Avenue, East Lake New Technology Development Zone, Wuhan, Hubei, China (Wuhan Area, Free Trade Zone)
- Wuhan Circle Star Chem-medical Technology co.,Ltd.
China (Mainland)
- Tel:+86-13437180835
- Room 02-31, 13 / F, Building 9, Guannan Fuxing Medical Park Phase II, No.58, Guanggu Avenue, East Lake New Technology Development Zone, Wuhan, Hubei, China (Wuhan Area, Free Trade Zone)
- HANGZHOU TIANYE CHEMICALS CO., LTD.
China (Mainland)
- Tel:0571-85083592
- 1208# HuaCe Building-B,Wuchanggang Road,XIHU District,Hangzhou City,Zhejiang Province ,China
- HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
China (Mainland)
- Tel:+8615383190639-15383190639-15383190639
- Hao Shun Hua Yue City
- Asure Biochem CO.,LTD.
China (Mainland)
- Tel:+8613116738678
- hangzhou
- Hebei Nengqian Chemical Import and Export Co., LTD
China (Mainland)
- Tel:86-139-10575315
- No.1722, Block C, Yangguang Xinzhuo Plaza, 256 Renmin West Road, Fuxing District, Handan City, Hebei Province
- Hebei Nengqian Chemical Import and Export Co., LTD
China (Mainland)
- Tel:86-139-10575315
- No.1722, Block C, Yangguang Xinzhuo Plaza, 256 Renmin West Road, Fuxing District, Handan City, Hebei Province
- Hebei Nengqian Chemical Import and Export Co., LTD
China (Mainland)
- Tel:86-139-10575315
- No.1722, Block C, Yangguang Xinzhuo Plaza, 256 Renmin West Road, Fuxing District, Handan City, Hebei Province
- Hebei Nengqian Chemical Import and Export Co., LTD
China (Mainland)
- Tel:86-139-10575315
- No.1722, Block C, Yangguang Xinzhuo Plaza, 256 Renmin West Road, Fuxing District, Handan City, Hebei Province
- Hebei Nengqian Chemical Import and Export Co., LTD
China (Mainland)
- Tel:86-139-10575315
- No.1722, Block C, Yangguang Xinzhuo Plaza, 256 Renmin West Road, Fuxing District, Handan City, Hebei Province
- Hebei Nengqian Chemical Import and Export Co., LTD
China (Mainland)
- Tel:86-139-10575315
- No.1722, Block C, Yangguang Xinzhuo Plaza, 256 Renmin West Road, Fuxing District, Handan City, Hebei Province
- Hebei Nengqian Chemical Import and Export Co., LTD
China (Mainland)
- Tel:86-139-10575315
- No.1722, Block C, Yangguang Xinzhuo Plaza, 256 Renmin West Road, Fuxing District, Handan City, Hebei Province
- Hebei Nengqian Chemical Import and Export Co., LTD
China (Mainland)
- Tel:86-139-10575315
- No.1722, Block C, Yangguang Xinzhuo Plaza, 256 Renmin West Road, Fuxing District, Handan City, Hebei Province
- Hebei Nengqian Chemical Import and Export Co., LTD
China (Mainland)
- Tel:86-139-10575315
- No.1722, Block C, Yangguang Xinzhuo Plaza, 256 Renmin West Road, Fuxing District, Handan City, Hebei Province
- Hebei Nengqian Chemical Import and Export Co., LTD
China (Mainland)
- Tel:86-139-10575315
- No.1722, Block C, Yangguang Xinzhuo Plaza, 256 Renmin West Road, Fuxing District, Handan City, Hebei Province
- Hebei Nengqian Chemical Import and Export Co., LTD
China (Mainland)
- Tel:86-139-10575315
- No.1722, Block C, Yangguang Xinzhuo Plaza, 256 Renmin West Road, Fuxing District, Handan City, Hebei Province
- Hebei Nengqian Chemical Import and Export Co., LTD
China (Mainland)
- Tel:86-139-10575315
- No.1722, Block C, Yangguang Xinzhuo Plaza, 256 Renmin West Road, Fuxing District, Handan City, Hebei Province
Other Product
- -
- -
- -
- -
- -
- -
- -
- -
- -
- (4S,6R)-6-{2-[(2-hydroxy-ethyl)-(4-methoxy-benzenesulfonyl)-amino]-ethoxy}-4-isopropyl-5,6-dihydro-4H-pyran-2-carboxylic acid allyl ester
- [1,4'-Bipiperidine]-1'-carboxylic acid, 4-(1H-indol-7-yl)-, ethyl ester
- 1,3,5-Tris(4-acetamidophenyl)penta-1,5-dione
- 1,5-Bis(3-aminophenyl)-3-(4-N,N-di-methylaminophenyl)penta-1,5-dione
- 1,5-Bis(4-acetamidophenyl)-3-phenylpenta-1,5-dione
- 1,5-Bis(4-aminophenyl)-3-(4-acetamido-phenyl)penta-1,5-dione
- 1,5-Bis(4-aminophenyl)-3-phenylpenta-1,5-dione