4-[5-(氯甲基)-1,2,4-噁二唑-3-基]吡啶

6-methyl-1-oxido-2-pyridin-4-ylpyrimidin-1-ium

4-甲脒基吡啶水合盐酸盐

3-pyridin-4-yl-2H-1,2,4-oxadiazole-5-thione

[3-(4-吡啶基)-1,2,4-氧杂二唑-5-基]甲醇