A novel D:A-friedooleanane triterpenoid and other constituents of the stem bark of Dichapetalum barteri Engl. - Addae-Mensah, Ivan; Adu-Kumi, Sam; Waibel, Reiner; Oppong, Isaac V. (ARKIVOC, 2006)
doi: 10.3998/ark.5550190.0008.909