β-烟酰胺单核苷酸

3-氨基甲酰-1-[5-O-(羟基膦酸)-alpha-D-呋喃核糖基]吡啶鎓

2,4-二硝基苯胺

1-(4-methoxyphenyl)pyridin-1-ium-3-carboxamide,chloride

3-carbamoyl-1-(4-fluorophenyl)pyridin-1-ium chloride