4-甲基-2,2-联吡啶

2-(1-甲基-1H-吡咯-2-基)吡啶

1-phenyl-3-(1-phenylethylideneamino)thiourea

3-(4-nitrophenyl)-1-(2-pyridyl)-2-propenone

4'-(4-methoxycarbonylphenyl)-2,2':6',2''-terpyridine