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中文名：5beta-孕甾烷-3,20-二酮
英文名：Pregnane-3,20-dione, (5b)-
英文别名：5beta-Pregnan-3,20-dione; (5R,8R,9S,10S,13S,14S,17S)-17-acetyl-10,13-dimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one; Pregnane-3,20-dione, (5β)-; 3,20-Pregnanedione; 5beta-Dihydroprogesterone; 5beta-pregnane-3,20-dione; CI2; 5b-pregnane-3,20-dione;
CAS号：128-23-4
化学式：C21H32O2
分子量：316.4776
蒸汽压： 1.43E-07mmHgat25°C

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