Cytotoxic Pentacyclic Triterpenoids from <i>Combretum sundaicum</i> and <i>Lantana camara</i> as Inhibitors of Bcl-xL/BakBH3 Domain Peptide InteractionLitaudon, Marc; Jolly, Claire; Le Callonec, Catherine; Cuong, Dao Din; Retailleau, Pascal; Nosjean, Olivier; Nguyen, Van Hung; Pfeiffer, Bruno; Boutin, Jean A.; Guéritte, Françoise · Journal of Natural Products · 2009