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CAS号: 516-47-2 英文名称: Pregnan-20-one, 3,17,21-trihydroxy-, (3.beta.,5.alpha.)- 英文同义词: Substance p (steroid);Allopregnane-3b,17a,21-triol-20-one;Allopregnane-3β,17α,21-triol-20-one;Allopregnane-3B,17ALPHA,21-triol-20-one;allopregnane-3beta,17alpha,21-triol-20-one;3beta,17alpha,21-Trihydroxy-5alpha-pregnan-20-one;5-alpha-Pregnan-20-one, 3-beta,17,21-trihydroxy- (8ci);Pregnan-20-one, 3,17,21-trihydroxy-, (3.beta.,5.alpha.)-;Pregnan-20-one, 3,17,21-trihydroxy-, (3-beta,5-alpha)- (9ci);1-[(17R)-3,17-dihydroxy-10,13-dimethyl-1,2,3,4,5,6,7,8,9,11,12,14,15,1 6-tetradecahydrocyclopenta[a]phenanthren-17-yl]-2-hydroxy-ethanone 中文名称: 中文同义词: 分子式: C21H34O4 分子量: 350.49 比旋光度 : D20 +48.0° (c = 0.938 in abs ethanol)