地屈孕酮EP杂质B 货号:D061005 英文名:Dydrogesterone EP Impurity B 同义词:(8S,9S,10R,13S,14S,17S)-17-acetyl-10,13-dimethyl-8,9,10,11,12,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3(2H)-one CAS号:1162-56-7 分子式:C21H28O2 分子量:312.45 询价订购