N-(4-{[4-(2-hydroxyethyl)piperazin-1-yl]methyl}benzyl)-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-5-carboxamide

tert-butyl (2-{[4-({[(4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-5-yl)carbonyl]amino}methyl)benzyl]amino}ethyl)carbamate

tert-butyl {1-[4-({[(4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-5-yl)carbonyl]amino}methyl)benzyl]azetidin-3-yl}carbamate

tert-Butyl 4-[4-({[(4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-5-yl)carbonyl]amino}methyl) benzyl]piperazine-1-carboxylate

tert-butyl (2-{4-[4-({[(4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-5-yl)carbonyl]amino}methyl)benzyl]piperazin-1-yl}ethyl)carbamate