二吡啶-4-甲酮

N-[(E)-(2-chloro-6-nitrophenyl)methylideneamino]pyridine-4-carboxamide

(1,1-dimethylpiperidin-1-ium-4-yl)methanol,iodide

5-(4-吡啶基)-1,3,4-二唑-2-硫醇

N-(indol-3-ylidenemethyl)pyridine-4-carbohydrazide