Tert-butyl 4-chloro-2-(pyridin-4-yl)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5h)-carboxylate
N-phenyl-[1,2,4]triazolo[1,5-a]pyridin-2-amine
Tert-butyl 2-iodo-7,8-dihydropyrido[4,3-d]pyrimidine-6(5h)-carboxylate
7,9-Dimethyl-11-oxo-11h-pyrido[2,1-b]quinazoline-6-carbonitrile