3-[(3,4-dimethoxyphenyl)methylene]-6-methoxyisobenzofuran-1(3H)-one

1,2-二甲基-3,5-二硝基苯

1,2-二甲基-3,4-二硝基苯

N-叔丁基乙酰胺

N,N'-bisacetylimidazolidine