1,2-二(3,4-二甲氧基苯基)乙烷-1,2-二酮

6,7-dimethoxy-2-nitroso-1,4-dihydroisoquinolin-3-one

6,7-dimethoxy-4H-isochromene-1,3-dione

1-(3,4-二甲氧基苯基)-2-吡咯烷-2-基乙酮

5,6-二甲氧基吲哚啉-2-酮