7-(3,4-dimethoxyphenyl)-1,4-dioxaspiro[4.5]dec-7-ene

7-(3,4-dimethoxyphenyl)-1,4-dioxaspiro[4.5]decan-8-one

3-(3,4-dimethoxyphenyl)-1-methylpyrrolidin-2-one

1-溴-2-碘-4,5-二甲氧基苯

2-(3,4-Dimethoxyphenyl)-3-pentanone