1-(1-benzylpiperidin-4-yl)-3,4-dihydroquinazoline-2(1H)-thione

1-{1-[2-(4-Chloro-phenyl)-2-oxo-ethyl]-piperidin-4-yl}-3,4-dihydro-1H-quinazolin-2-one

1-{1-[2-(4-Chloro-phenyl)-2-hydroxy-ethyl]-piperidin-4-yl}-3,4-dihydro-1H-quinazolin-2-one

threo-1-<2-acetoxy-2-(3,4-dimethoxyphenyl)-1-methylethyl>-4-(1,2,3,4-tetrahydro-2-oxo-1-quinazolinyl)piperidine

1-(piperidin-4-yl)-1,4-dihydroquinazoline