3-(二乙氧基甲基)异噻唑

ethyl imidazo[1,2-a]quinoxaline-2-carboxylate

ethyl 3,3-dibromo-2-oxopropanoate

methyl 2-(2-bromoacetyl)-1,3-thiazole-4-carboxylate

乙基吡咯并[1,2-a]喹啉-2-羧酸酯