ABSTRACT.-TWO new pentacyclic triterpenes, kanerin 111 and 12,13-dihydroursolic
acid [5] have been isolated from the fresh, uncrushed, winter leaves ofNm'um oleander, and their
structures have been established as 24-nor-3p, 5-dihydroxyursa-4(23), 18-dien-28-oic acid and
3P-hydroxyuaa-28-oic acid, respectively, through chemical and spectral studies.