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

N-(4-formylbenzyl)-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-5-carboxamide

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