双(3,4-二甲氧基苯基)甲酮

3,4-二甲氧基苯甲醇

2-[(3,4-dimethoxyphenyl)methylidene]cyclopent-4-ene-1,3-dione

1-(3,4-dimethoxyphenyl)-N-phenylmethanimine oxide

3,8,9-trimethoxy-5H-benzo[c]phenanthridin-2-one