9, 10-二氢-4H-苯并[4, 5]环庚三烯[1, 2-b]噻吩-4-酮

3-噻吩甲酸甲酯

2,3-Dihydro-thiophene-3-carboxylic acid methyl ester

2-溴-3-噻吩羧酸

methyl 5-cyanothieno[2,3-b]pyridine-3-carboxylate