3-氨基-5-溴苯并[b]噻吩-2-羧酸甲酯

3-羟基-5-三氟甲基-2-噻吩羧酸甲酯

硫代二乙酸二甲酯

Methyl thieno[2,3-b]pyridine-2-carboxylate

4,5-dihydro-1,4-benzothiazepin-3-one