Sesquiterpene lactones from Crepis setosa Hal.

Abstract

The roots of Crepis setosa Hall. afforded four sesquiterpene lactones, among them three glycosides, all derived from 11β,13-dihydrozaluzanin C and not previously reported from this species.

Keywords

• Crepis setosa, Compositae, sesquiterpene lactones, chemotaxonomy