1-{4-[5-[(Benzyl-methyl-amino)-methyl]-1-(2,6-difluoro-benzyl)-2,4-dioxo-3-phenyl-1,2,3,4-tetrahydro-thieno[2,3-d]pyrimidin-6-yl]-phenyl}-3-isopropyl-urea 以80%的产率得到1-{4-[5-[(Benzyl-methyl-amino)-methyl]-1-(2,6-difluoro-benzyl)-2,4-dioxo-3-phenyl-1,2,3,4-tetrahydro-thieno[2,3-d]pyrimidin-6-yl]-phenyl}-3-isopropyl-urea; hydrochloride