N-乙烯基甲酰胺

7-amino-6-methyl-2-phenylpyrrolo[3,4-c]pyridine-1,3-dione

7-amino-6-(2,5-dioxo-1-phenylpyrrolidin-3-yl)methyl-1,3-dioxo-2-phenyl-1,3-dihydropyrrolo<3,4-c>pyridine

3-amino-2-methylpyridine-4-carbonitrile

(5-amino-4-cyano-6-methylpyridin-3-yl)methyl acetate