2,6-吡啶二甲醇

[6-(pyrrolidine-1-carbonyl)pyridin-2-yl]-pyrrolidin-1-ylmethanone

2-N,2-N,6-N,6-N-tetraethylpyridine-2,6-dicarboxamide

2,6-二(2-苯基乙烯基)吡啶

1,4-二氧六环