CAS号: 7093-55-2 英文名称: pregn-5-ene-3,20-dione bis(ethylene ketal) 英文同义词: pregn-5-ene-3,20-dione bis(ethylene ketal);Pregn-5-ene-3,20-dione, cyclic 3,20-bis(1,2-ethanediyl acetal);(8S,9S,10R,13S,14S,17S)-10,13-dimethyl-17-(2-methyl-1,3-dioxolan-2-yl)spiro[1,2,4,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane] 中文名称: pregn-5-ene-3,20-dione bis(ethylene ketal) 中文同义词: 分子式: C25H38O4 分子量: 402.57 危险类别码 : 53 安全说明 : 61