5-羟基甲基烟酸甲酯

1-[(2-methylpropan-2-yl)oxycarbonyl]piperidine-3,5-dicarboxylate

吡啶-3,5-二羧酰胺

dimethyl 1-methylpyridin-1-ium-3,5-dicarboxylate,iodide

5-乙酰基烟酸甲酯