A novel xanthone as secondary metabolite fromCentaurium cachanlahuen

A novel xanthone as secondary metabolite fromCentaurium cachanlahuen Xanthones of Centaurium pulchellum A new xanthone from the roots of Centaurium spicatum Polyoxygenated Xanthones from Centaurium erythraea Roots Xanthones from Swertia punicea Tetra and pentaoxygenated xanthones of Swertia lawii Swertiabisxanthone-I from Swertia macrosperma Xanthones and Secoiridoids Isolated from Methanolic Extract of Centaurium linarifolium Chemical Constituents of the Gentianaceae V: Tetraoxygenated Xanthones of Swertia chirata Buch.-Ham. Identification de xanthones et de nouveaux arabinosides de C‐glucosides flavoniques dans <i>Swertia perennis</i><scp>L.</scp>