2,6-二甲基吡啶-4-羧酰胺

[6-chloro-4-(2-ethyl-1,3-dioxolan-2-yl)-2-methoxypyridin-3-yl]methanol

2,6-dioxopiperidine-4-carboxylic acid

2-溴-6-甲氧基异烟酸

methyl 2-methoxy-6-oxo-1H-pyridine-4-carboxylate