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(oxy))-3-oxo-19-norpregna-4,20-diene-21-carboxylic acid methyl ester;YK11;
陜西締都新材料有限公司
聯(lián)系商家時請?zhí)峒癱hemicalbook,有助于交易順利完成!
締都醫(yī)藥