2-吡啶-2-基喹啉-4-羧酸

2,9-dipyridin-2-yl-1,10-phenanthroline

2-pyridin-2-ylfluoren-9-one

2-(3-pyridin-2-ylazulen-1-yl)pyridine

6-硝基-2,2'-联吡啶