6-Chloro-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine
6-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-oxo-4-phenyl-1,2-dihydropyridine-3-carbonitrile
5-tert-Butyl 4-ethyl 3-methyl-6,7-dihydro-3H-imidazo[4,5-c]pyridine-4,5(4H)-dicarboxylate
tert-Butyl (6-bromoimidazo[1,2-a]pyridin-3-yl)carbamate