Laboratorio de Quimico de Productos Naturales, Universidad de Concepcion, Chile;Chemistry Department, Imperial College, London SW7 2AY U.K.
Abstract:
The title plant has been shown to contain the sesquiterpene lactones erioflorin methacrylate (I), erioflorin (III), erioflorin acetate (VIII) and a new lactone, ovatifolin (X).