5-bromo-3-(tert-butyloxycarbonyl)aminothiophene-2-carboxamide

3-氨基-5-溴-噻吩-2-羧酸甲酯

3-amino-5-bromothiophene-2-carboxylic acid

3-氨基-2-噻吩甲酸甲酯

5-溴-3-(2,2,2-三氟-乙酰基氨基)-噻吩-2-羧酸甲酯