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

2,3,4-trimethoxy-6-(2-oxopropyl)benzoic acid

3-(3,4,5-三甲氧基苯基)丙酸

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

6-(carboxymethyl)-2,3,4-trimethoxybenzoic acid