5-溴噻吩-2-甲醛

Ethyl 5-bromo-4-nitrothiophene-2-carboxylate

5-溴噻吩-2-甲酰肼

乙基5-(2-噻吩基羰基)-2-噻吩羧酸酯

5-溴-2-羧基噻吩