Fraction F′6 was separated by column chromatography, eluted with a gradient system of EtOAc/CH2Cl2, to give an additional amount of tajixanthone hydrate(15.8 mg). Ruguloxanthone
Fraction F′6 was separated by column chromatography, eluted with a gradient systemof EtOAc/CH2Cl2, to give an additional amount of tajixanthone hydrate(15.8 mg).Ruguloxanthone