8-methyl-1,2,3,4-tetrahydropyrido[2,1-b]quinazolin-11-one

6-methyl-2-(4-nitrophenyl)imidazo[1,2-a]pyridine

2-氯甲基-7-甲基吡啶并[1,2-a]嘧啶-4-酮

1-(4,6-diphenylpyridine-2-carbonyl)-5-methylpyridin-2-one

6-methyl-3-nitroso-2-phenylimidazo[1,2-a]pyridine