3-hydroperoxy-13,1'3,24,2'3,34,3'3,43,4'4,53,5'3,63,6'3-2,4'-bihexaoxine

4-吡啶乙酸乙酯

苯基(4-吡啶基)甲醇

4-苄氧基吡啶

4,4’-联吡啶硫