IRSHAD AHMAD; BASHIR AHMAD CHAUDHARY; MUHAMMAD ASHRAF; MUHAMMAD UZAIR; KHALID HUSSAIN JANBAZ
(HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2012-06-20)
Vernonione, a new 7-deoxycarvotacetone derivative 1, together with three known sesquiterpene lactones; vernolide A, C (2,3) and potamopholide (4) has been isolated from the methanolic extract of the roots of Vernonia ...