1 9D0 N-({4-[(octylamino)methyl]phenyl}methyl)-4-oxo-3,4-dihydrothieno[2,3-D]pyrimidine-5-carboxamide 1.000 2 9D3 N-({4-[(diethylamino)methyl]phenyl}methyl)-4-oxo-3,4-dihydrothieno[2,3-D]pyrimidine-5-carboxamide 0.750