5-(吡啶-4-基)-4H-1,2,4-三唑-3-胺

(2,5-dioxopyrrolidin-1-yl) pyridine-4-carboxylate

N-(2-溴苯基)-4-吡啶羧酰胺

(4-nitrophenyl) pyridine-4-carboxylate

1-(4-吡啶基)-2-氯乙酮盐酸盐