yk11 1370003-76-1
包装:25KG
纯度规格:98%
产地:
更新日期:2026/05/13
中文名称英文名称YK-11中文别名英文别名YK-11;19-Norpregna-4,20-diene-21-carboxylic acid,17,20-((1-methoxyethylidene)bis(oxy))-3-oxo-,methyl ester,(17alpha,20E)-;YK11 cpd;(17alpha,20E)-17,20-((1-Methoxyethylidene)bis(ox...