9-Bromo-5h-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6h)-one
7-Chloro-5-((3-methyl-1H-indol-7-yl)amino)pyrido[3,4-d]pyridazin-4(3h)-one
7-Amino-8-ethyl-2-(methylthio)-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxamide
7-Amino-2-chloro-8-ethyl-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxamide