8-Chloro-11-(1-methylpiperidin-4-yl)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol
7-Bromo-6-fluoropyrido[3,2-d]pyrimidin-4(3H)-one
Isothiazolo[4,3-b]pyridin-3-amine
Ethyl 8-allyl-5-hydroxy-2-(methylthio)-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate