ABSTRACT
F. albicaulis Dougl. et Griseb. XANTHONES: 1-hydroxy-2,3,5-trimethoxyxanthone, 2-hydroxy-1,3,4,7tetramethoxyxanthone, 2-hydroxy-1,3,7-trimethoxyxanthone, 1,2,3,4,5pentamethoxyxanthone, swerchirin, 1,2,3,5-tetrahydroxyxanthone, 1,2,3,7tetramethoxyxanthone, 1,3,4,5-tetramethoxyxanthone, 1,3,4,7-tetramethoxyxanthone, 1,3,5-trimethoxyxanthone, 1,3,7-trimethoxyxanthone.
