| 1 | 42438-88-0 | R 2956 | R 2956 | C21H28O2
| | |
| 2 | 55303-99-6 | avarone | avarone | C21H28O2
| | |
| 3 | 5630-53-5 | 替勃龙 | Tibolone | C21H28O2
| 化工;原料药;医药原料;原料药杂质;医药原料-试剂 | 医药;成品药 |
| 4 | 6533-00-2 | 炔诺孕酮 | Norgestrel | C21H28O2
| 原料药;标准品;医药原料;甾体激素类;中药对照品;药物杂质及中间体;对照品-杂质对照品;小分子抑制剂，天然产物;甾体激素 (激素，糖皮激素) | |
| 5 | 434-03-7 | 炔孕酮 | ethisterone | C21H28O2
| 中间体;医药原料;羰基化合物;医药中间体;日用化学品;小分子抑制剂;内分泌与激素;有机化工原料;小分子抑制剂，天然产物 | 成品药 |
| 6 | 32297-45-3 | 7β-Tibolone | 7β-Tibolone | C21H28O2
| | |
| 7 | | 甲基炔诺孕酮D6 | NORGESTREL-D6 | C21H28O2
| Intermediates & Fine Chemicals;Isotope Labeled Compounds;Pharmaceuticals;Steroids | |
| 8 | 152-62-5 | 去氢孕酮 | Dydrogesterone | C21H28O2
| 试剂;原料药;抑制剂;医药原料;化工原料;医药原料药;Hormone激素类;医药、农药及染料中间体 | |
| 9 | 39025-23-5 | Z-Guggulsterone | Z-Guggulsterone | C21H28O2
| 合成;医药原料;化工原料;植物提取物;医药原料药-科研原料 | |
| 10 | | Ethisterone-13C2 | Ethisterone-13C2 | C21H28O2
| Intermediates & Fine Chemicals;Isotope Labeled Compounds;Metabolites & Impurities;Pharmaceuticals;Isotope Labelled Compounds | |
| 11 | 95975-55-6 | 香胶甾酮 | (Z)-Guggulsterone | C21H28O2
| 原料;试剂;原料药;医药原料;医药类别;化学试剂;化学原料;医药原料药;日用化学品;精品科研试剂 | |
| 12 | 1162-56-7 | 6-去氢黄体酮 | Dehydroprogesterone | C21H28O2
| 原料;激素类;原料药;医药原料;杂质对照品;API原料药 | |
| 13 | | Norgestrel-d6 (Major) | Norgestrel-d6 (Major) | C21H28O2
| Intermediates & Fine Chemicals;Isotope Labelled Compounds;Pharmaceuticals;Steroids | |
| 14 | 1096-38-4 | 去氢黄体酮 | 16-dehydroprogesterone | C21H28O2
| 原料药;医药中间体 | |
| 15 | 856893-82-8 | Tetrahydrogestrinone-d4 | Tetrahydrogestrinone-d4 | C21H28O2
| | |
| 16 | 1162-54-5 | 1-脱氢孕酮 | 1,4-PREGNADIEN-3,20-DIONE | C21H28O2
| | |
| 17 | | pregna-4,20-diene-3,6-dione | pregna-4,20-diene-3,6-dione | C21H28O2
| | |
| 18 | 24377-08-0 | Pregna-4,14-diene-3,20-dione | Pregna-4,14-diene-3,20-dione | C21H28O2
| | |
| 19 | 5541-87-7 | rac 8α-[Δ-5(10)]-Norgestrel | rac 8α-[Δ-5(10)]-Norgestrel | C21H28O2
| | |
| 20 | 2640-38-2 | 9β-Pregna-4,6-diene-3,20-dione | 9β-Pregna-4,6-diene-3,20-dione | C21H28O2
| | |
| 21 | 14508-12-4 | 16-acetylandrosta-4,16-dien-3-one | 16-acetylandrosta-4,16-dien-3-one | C21H28O2
| | |
| 22 | 6807-18-7 | 4,4'-(1-甲基辛亚基)双酚 | 4,4'-(1-methyloctylidene)bisphenol | C21H28O2
| | |
| 23 | | 2,2-Bis[4-(propyloxy)phenyl]propane | 2,2-Bis[4-(propyloxy)phenyl]propane | C21H28O2
| | |
| 24 | 133-63-1 | 2,2'-methylenebis[6-tert-butylphenol] | 2,2'-methylenebis[6-tert-butylphenol] | C21H28O2
| | |
| 25 | | 17B-HYDROXY-17A-PREGN-4-EN-20-YN-3-ONE | 17B-HYDROXY-17A-PREGN-4-EN-20-YN-3-ONE | C21H28O2
| | |
| 26 | 127-54-8 | 2,2-双(4-羟基-3-异丙苯基)丙烷 | 4,4-Isopropylidenebis(2-Isopropylphenol) | C21H28O2
| | |
| 27 | 100021-05-4 | 左炔诺孕酮杂质P | 5(6)-Dehydro-4(5)-dihydro D-(-)-Norgestrel | C21H28O2
| 杂质对照品;左炔诺孕酮杂质 | |
| 28 | 83860-24-6 | 12-hydroxymethylretinoic acid delta-lactone | 12-hydroxymethylretinoic acid delta-lactone | C21H28O2
| | |
| 29 | | 3-(p-Methoxybenzyl)-4-(p-methoxyphenyl)hexane | 3-(p-Methoxybenzyl)-4-(p-methoxyphenyl)hexane | C21H28O2
| | |
| 30 | | (-)-1-Naphthoic acid [(R)-1-methylnonyl] ester | (-)-1-Naphthoic acid [(R)-1-methylnonyl] ester | C21H28O2
| | |
| 31 | | 2,6-Di-tert-butyl-4-[[(phenyl)oxy]methyl]phenol | 2,6-Di-tert-butyl-4-[[(phenyl)oxy]methyl]phenol | C21H28O2
| | |
| 32 | 18492-76-7 | 6,8,11,13-Abietatetrene-18-oic acid methyl ester | 6,8,11,13-Abietatetrene-18-oic acid methyl ester | C21H28O2
| | |
| 33 | 17554-63-1 | Pregn-4-en-20-yn-3-one, 17-hydroxy-, (13α)- (9CI) | Pregn-4-en-20-yn-3-one, 17-hydroxy-, (13α)- (9CI) | C21H28O2
| | |
| 34 | 54793-02-1 | 3-Methoxy-16,16-dimethyl-1,3,5(10)-estratrien-17-one | 3-Methoxy-16,16-dimethyl-1,3,5(10)-estratrien-17-one | C21H28O2
| | |
| 35 | 6885-48-9 | (17R)-3-Methoxy-19-norpregna-1,3,5(10),20-tetren-17-ol | (17R)-3-Methoxy-19-norpregna-1,3,5(10),20-tetren-17-ol | C21H28O2
| | |
| 36 | 85665-82-3 | 3-(p-isopropylphenyl)-2-methyl-1-(phenethyloxy)propanol | 3-(p-isopropylphenyl)-2-methyl-1-(phenethyloxy)propanol | C21H28O2
| | |
| 37 | 19914-67-1 | 13-乙基-17Β-羟基-18,19-二去甲孕甾-5(10)-烯-20-炔-3-酮 17Α-乙炔基-17Β-羟基-18-甲基雌甾-5(10)-烯-3-酮 | 13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one | C21H28O2
| 杂质对照品;左炔诺孕酮杂质;对照品-杂质对照品 | |
| 38 | | (+)-1-Naphthalenecarboxylic acid [(S)-1-methylnonyl] ester | (+)-1-Naphthalenecarboxylic acid [(S)-1-methylnonyl] ester | C21H28O2
| | |
| 39 | 7359-79-7 | Estr-4-en-3-one, 17-hydroxy-17-(1-propynyl)-, (17β)- (9CI) | Estr-4-en-3-one, 17-hydroxy-17-(1-propynyl)-, (17β)- (9CI) | C21H28O2
| | |
| 40 | | (7A,17A)-17-HYDROXY-7-METHYL-19-NORPREGN-4(5)-EN-20-YL-3-ONE | (7A,17A)-17-HYDROXY-7-METHYL-19-NORPREGN-4(5)-EN-20-YL-3-ONE | C21H28O2
| | |
| 41 | 178737-52-5 | 炔诺孕酮杂质1 | 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy- (9CI) | C21H28O2
| | |
| 42 | 60806-49-7 | 甲醛与4-环己基苯酚和二甲苯的聚合物 | formaldehyde, polymer with 4-cyclohexylphenol anddimethylbenzene | C21H28O2
| | |
| 43 | 94134-77-7 | 1-methyl-3-(2,6,6-trimethyl-1-cyclohexen-1-yl)allyl phenylacetate | 1-methyl-3-(2,6,6-trimethyl-1-cyclohexen-1-yl)allyl phenylacetate | C21H28O2
| | |
| 44 | 882297-86-1 | 19-Norpregn-4-en-20-yne-3,17-diol, 11-methylene-, (3β,17α)- (9CI) | 19-Norpregn-4-en-20-yne-3,17-diol, 11-methylene-, (3β,17α)- (9CI) | C21H28O2
| | |
| 45 | 125962-78-9 | 1,4-Dioxaspiro[4.5]decane, 8-[4-(4-methylphenyl)-3-cyclohexen-1-yl]- | 1,4-Dioxaspiro[4.5]decane, 8-[4-(4-methylphenyl)-3-cyclohexen-1-yl]- | C21H28O2
| | |
| 46 | 122419-17-4 | 4-[1-(4-HYDROXY-3,5-DIMETHYLPHENYL)-1-METHYLBUTYL]-2,6-DIMETHYLPHENOL | 4-[1-(4-HYDROXY-3,5-DIMETHYLPHENYL)-1-METHYLBUTYL]-2,6-DIMETHYLPHENOL | C21H28O2
| | |
| 47 | | 2,6-Di-tert-butyl-4-methyl-4-(2-hydroxyphenyl)-2,5-cyclohexadien-1-one | 2,6-Di-tert-butyl-4-methyl-4-(2-hydroxyphenyl)-2,5-cyclohexadien-1-one | C21H28O2
| | |
| 48 | 1246213-29-5 | Benzeneethanol, 5-(1,1-diMethylethyl)-β,β-diMethyl-2-(phenylMethoxy)- | Benzeneethanol, 5-(1,1-diMethylethyl)-β,β-diMethyl-2-(phenylMethoxy)- | C21H28O2
| | |
| 49 | 40650-59-7 | 2,3,5,6-Tetrahydro-3,3,5,5-tetramethyl-8-(3-methylbutyl)-s-indacene-1,7-dione | 2,3,5,6-Tetrahydro-3,3,5,5-tetramethyl-8-(3-methylbutyl)-s-indacene-1,7-dione | C21H28O2
| | |
| 50 | 155239-50-2 | 19-Norpregn-4-en-20-yn-3-one, 17-hydroxy-7-methyl-, (7alpha,10xi,17alpha)-(9CI) | 19-Norpregn-4-en-20-yn-3-one, 17-hydroxy-7-methyl-, (7alpha,10xi,17alpha)-(9CI) | C21H28O2
| | |
| 51 | | (2E,4E,6E,8E)-9-(4-Methoxy-2,3,6-trimethylphenyl)-3,7-dimethyl-2,4,6,8-nonatetrene-1-ol | (2E,4E,6E,8E)-9-(4-Methoxy-2,3,6-trimethylphenyl)-3,7-dimethyl-2,4,6,8-nonatetrene-1-ol | C21H28O2
| | |
| 52 | 2625-60-7 | 黄体酮杂质 | 17-acetyl-10,13-dimethyl-1,2,6,7,8,9,14,15,16,17-decahydrocyclopenta[a ]phenanthren-3-one | C21H28O2
| | |
| 53 | 665025-11-6 | propyl 9,10-dimethyl-5,6,7,7a,8,11-hexahydro-11aH-dibenzo[a,c]cycloheptene-11a-carboxylate | propyl 9,10-dimethyl-5,6,7,7a,8,11-hexahydro-11aH-dibenzo[a,c]cycloheptene-11a-carboxylate | C21H28O2
| | |
| 54 | 39707-56-7 | 2-[[(1S,4aα)-2-Methylene-5,5,8aβ-trimethyldecahydronaphthalene-1-yl]methyl]-1,4-benzoquinone | 2-[[(1S,4aα)-2-Methylene-5,5,8aβ-trimethyldecahydronaphthalene-1-yl]methyl]-1,4-benzoquinone | C21H28O2
| | |
| 55 | 618903-56-3 | (8S,13S,14S,17S)-13,17-diethyl-17-hydroxy-1,2,6,7,8,14,15,16-octahydrocyclopenta[a]phenanthren-3-one | (8S,13S,14S,17S)-13,17-diethyl-17-hydroxy-1,2,6,7,8,14,15,16-octahydrocyclopenta[a]phenanthren-3-one | C21H28O2
| | |
| 56 | 57291-89-1 | (2S)-4'aβ,5',6',7',8',8'a-Hexahydro-2',5',5',8'aα-tetramethylspiro[benzofuran-2(3H),1'(4'H)-naphthalen]-5-ol | (2S)-4'aβ,5',6',7',8',8'a-Hexahydro-2',5',5',8'aα-tetramethylspiro[benzofuran-2(3H),1'(4'H)-naphthalen]-5-ol | C21H28O2
| | |
| 57 | 39707-59-0 | 2-[[(1R)-1,4,4aβ,5,6,7,8,8a-Octahydro-2,5,5,8aα-tetramethylnaphthalen-1α-yl]methyl]-2,5-cyclohexadiene-1,4-dione | 2-[[(1R)-1,4,4aβ,5,6,7,8,8a-Octahydro-2,5,5,8aα-tetramethylnaphthalen-1α-yl]methyl]-2,5-cyclohexadiene-1,4-dione | C21H28O2
| | |