ETHYL 2-METHYL-4-OXO-1,4-DIHYDROPYRIDINE-3-CARBOXYLATE;2-Methyl-4-oxo-1,4,5,6-tetrahydropyridine-3-carboxylic acid ethyl ester;
陜西締都醫(yī)藥化工有限公司
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