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CAS号: 5717-05-5 英文名称: 5β-Pregn-20-yne 英文同义词: 5β-Pregn-20-yne;17-Ethynyletiocholane;(5S,8R,9S,10S,13S,14S,17R)-17-ethynyl-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene 中文名称: 中文同义词: 分子式: C21H32 分子量: 0