Diterpenes from the leaves of Croton zambesicus. - Block,S.; Baccelli,C.; Tinant,B.; Van Meervelt,L.; Rozenberg,R.; Habib Jiwan,J.L.; Llabrès,G.; De Pauw-Gillet,M.C.; Quetin-Leclercq,J. (Phytochemistry, 2004)