title: Nor-Diterpene Oxides: Colensanone and Colensenone from Cassia petersiana.
abstract: The diterpenoids colensenone ( 1) and colensanone ( 2) have been isolated from the leaf extracts of Cassia petersiana Bolle.
authors.affiliation: Dept. of Chemistry, Chancellor College, University of Malaŵi, P. O. Box 280, Zomba/Malaŵi.
authors.forename: J D
authors.initials: JD
authors.lastname: Msonthi