N-(3,4-dichlorophenyl)-5,6,7,8-tetrahydropyrido[3',4':4,5]thieno[2,3-d]pyrimidin-4-amine 、 (2E)-4-[methyl(1-methylethyl)amino]but-2-enoic acid hydrochloride 以to yield 56 mg (40%)的产率得到N-(3,4-dichlorophenyl)-6-{(2E)-4-[methyl(1-methylethyl)amino]but-2-enoyl}-5,6,7,8-tetrahydropyrido[3',4':4,5]thieno[2,3-d]pyrimidin-4-amine