N',N'-dimethylpropanediamide

6-甲基-3-羧酸香豆素

5-[双(甲基硫代)亚甲基]-2,2-二甲基-1,3-二噁烷-4,6-二酮

2,2-dimethyl-5-[(4-nitrophenyl)methylidene]-1,3-dioxane-4,6-dione

N-phenacyl-3-methylpyridinium bromide