4-甲氧基吡啶-2-羧酸肼

4-氯吡啶-2-羧酸叔丁酯

[4-(4-氨基苯氧基)(2-吡啶基)]-N-(甲基-d3)甲酰胺

N-butyl-4-chloropyridine-2-carboxamide

4-(morpholin-4-yl)-n-(4-nitrophenyl)pyridine-2-carboxamide