8-[2-(2,3-dimethoxyphenyl)ethenyl]-1,3-dimethyl-7H-purine-2,6-dione

3-(2,3-dimethoxyphenyl)prop-2-enoyl chloride

2-羟基-5,6-二甲氧基-3,4-二氢萘-1-羧酸甲酯

4,5-二甲氧基-1-茚酮

3-(2,3-二甲氧基-苯基)-丙醛