2,6-二氯-4-氰基吡啶

(3aRS,6aSR)-1,3,3a,6a-tetrahydro-1-hydroxy-3a,6a-dimethyl-5H-pyrrolo<3,4-d>imidazole-2,4,6-trione

二甲基乙二肟

1-hydroxytetrahydro-4,5-dimethyl-2-oxoimidazole-4,5-dicarboxylic acid

(3aRS,6aSR)-6-amino-1,3,3a,6a-tetrahydro-1-hydroxy-3a,6a-dimethylpyrrolo<3,4-d>imidazole-2,4-dione