4-溴巴豆酸 、 3-chloro-5-(5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-ylamino)phenol hydrochloride 、
N-(2-甲氧基乙基)甲基胺 以to yield 24 mg (18%)的产率得到3-chloro-5-[(7-{(2E)-4-[(2-methoxyethyl)(methyl)amino]but-2-enoyl}-5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-yl)amino]phenol