diethyl 2-(pyridin-2-ylmethylidene)propanedioate

2,4,6-tripyridin-2-ylpyridine

2-(吡啶-2-基亚甲基)肼羧酸叔丁酯

Alpha-2-吡啶吡啶-2-甲醇

2-苄基吡啶