Isolation of ent-labdane (+)-12,15-epoxylabda-8(17),12,14-trien-16-yl acetate from the seeds of Turraeanthus africanus and its cytostatic/effect on the growth of cancer cells in vitro - Tayman,F.S.; Atsu Barku,V.Y.; Opoku-Boahen,Y.; Seifert,K.; Grote,D. (Chem Nat Comp, 2006)