Four diphenylpropanes and a cycloheptadibenzofuran from Bussea sakalava from the Madagascar dry forest - Pan, E; Harinantenaina, L; Brodie, P J; Miller, J S; Callmander, M W; Rakotonandrasana, S; Rakotobe, E; Rasamison, V E; Kingston, D GI (J Nat Prod, 2010)