1-(3,4-二甲氧基苯基)-1-丙酮

4-[1-(3,4-dimethoxyphenyl)ethenyl]morpholine

[1-(3,4-dimethoxyphenyl)ethylideneamino]urea

6-(1,3-benzodioxol-5-yl)-4-methoxypyran-2-one

Ethyl 4-(3,4-dimethoxyphenyl)-2,4-dioxobutanoate