1-[3-羟基-5-(羟基甲基)-2-甲基吡啶-4-基]-1,2,3,4-四氢异喹啉-6,7-二醇

吡哆醛4-甲氧基苯甲酰基腙

5-(hydroxymethyl)-2-methyl-4-(methylaminomethyl)pyridin-3-ol

(4E)-4-[(2-hydroxyethylamino)methylidene]-5-(hydroxymethyl)-2-methylpyridin-3-one

(4E)-4-[(hexylamino)methylidene]-5-(hydroxymethyl)-2-methylpyridin-3-one