1-(4-Bromophenyl)-7-hydroxy-5-oxo-4,5-dihydro-1H-pyrrolo[3,2-b]pyridine-6-carbonitrile
tert-Butyl 4-carbamoyl-2-(ethylamino)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate
Ethyl 2-(6-chloro-2-methoxypyridin-3-yl)-2-hydroxy-3-methylbutanoate
7-Amino-6,7-dihydro-5H-cyclopenta[b]pyridine-3-carbonitrile