triphenyl-(2-pyridin-2-ylphenyl)imino-λ⁵-phosphane

2-(3-溴苯)吡啶

2-(8-pyridin-2-ylnaphthalen-1-yl)pyridine

2-溴-4-硝基-6-(2-吡啶基)吡啶1-氧化物

2,2'-联吡啶-5-甲醛