2-[(2-甲氧基乙基氨基)甲基]噻吩并[3,2-b]噻吩-5-磺酰胺 、
5-isobutylaminomethylthieno[3,2-b]thiophene-2-sulfonamide 、 5-Isobutylaminomethylthieno[3,2-b]thiophene-2-sulfonamide hydrochloride 以to give 0.46 g of 5-[(2-methoxy)ethylaminomethyl]thieno[3,2-b]thiophene-2-sulfonamide hydrochloride, mp 224°-225° C. (D)的产率得到5-[(2-Methoxyethyl)aminomethyl]thieno[3,2-b]thiophene-2-sulfonamide hydrochloride