2,5-二溴噻唑-4-甲酸乙酯

ethyl 2-acetamido-5-bromo-1,3-thiazole-4-carboxylate

5-溴噻唑-4-羧酸

5-溴噻唑-4-甲酸乙酯

ethyl 5-sulfanyl-1,3-thiazole-4-carboxylate