Synonyms: 1,8-Dihydroxy-3,7-dimethoxyxanthen-9-one;1,8-Dihydroxy-3,7-dimethoxyxanthone;Methylswertianin;Svercyaperenin;Swertiaperenine;Swertiaperennin;Xanthen-9-one,1,8-dihydroxy-2,6-dimethoxy-(8CI);1,3,7,8-Tetrahydroxyxanthone 3,7-dimethylether;1,8-Dihydroxy-2,6-dimethoxyxanthone;