3-(1-hydroxyethyl)-5,6,7-trimethoxyphthalide

6,7,8-trimethoxy-3-methylisochromen-1-one

5,6,7-trimethoxy-3H-2-benzofuran-1-one

3-(3,4,5-三甲氧基苯基)丙酸

5,6,7-trimethoxy-2,3-dihydro-1H-inden-1-one