烟酸正辛酯

N-(2-甲氧基苯基)-3-吡啶甲酰胺

1-(5-chloro-2-hydroxyphenyl)-3-pyridin-3-ylpropane-1,3-dione

1-methylpyridin-1-ium-3-carboxylic acid

烟酸苯乙酯