N-(2-chlorophenyl)-3-nitropyridin-2-amine

2-methyl-3-phenylimidazo[4,5-b]pyridine

ethyl 4-(2-hydroxy-5-nitrophenyl)-6-methyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidine-5-carboxylate

3-phenylimidazo[4,5-b]pyridine

3-(3-fluorophenyl)triazolo[4,5-b]pyridine