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CAS号: 103881-93-2 英文名称: 17α,21-Dihydroxypregn-1-ene-3,11,20-trione 英文同义词: 4,5-Dihydroprednisone;17α,21-Dihydroxypregn-1-ene-3,11,20-trione;17,21-Dihydroxy-5α-Pregn-1-ene-3,11,20-trione;(5α)-17,21-Dihydroxypregn-1-ene-3,11,20-trione;(5alpha)-17,21-Dihydroxypregn-1-ene-3,11,20-trione;Pregn-1-ene-3,11,20-trione, 17,21-dihydroxy-, (5α)- 中文名称: (5ALPHA)-17,21-二羟基-孕甾-1-烯-3,11,20-三酮 中文同义词: 4,5-二氢泼尼松;(5ALPHA)-17,21-二羟基-孕甾-1-烯-3,11,20-三酮 分子式: C21H28O5 分子量: 360.44 熔点 : 212-213 °C 沸点 : 554.6±50.0 °C(Predicted) 密度 : 1.266±0.06 g/cm3(Predicted) 酸度系数(pKa): 12.38±0.60(Predicted)