帮助中心

Methyl (2Z)-2-[2-(acetyloxy)-5-bromobenzylidene]-5-(2-chlorophenyl)-7-methyl-3-oxo-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate


联系我们
咨询反馈