Ticzon EC, Padua HP, Bondoc LL Jr, Padolina WG, Ramirez AME, Brion MC, Encina CY, Capuno VT, Bawagan AD
Sesquiterpene lactones were isolated from the chloroform extract of the leaves of twelve species of Philippine Compositae belonging to the genera Elephantopus, Pseudelephantopus, Ageratum, Chromolaena, Wedelia, Tithonia, Vernonia, Mikania, Tridax and Artemisia. Three known sesquiterpene lactones wer . . .