New insecticidal rocaglamide derivatives from flowers of Aglaia duperreana - Hiort, J; Nugroho, B W; Bohnenstengel, F I; Wray, V; Witte, L; Hung, P D; Kiet, L C; Sumaryono, W; Proksch, P; Chaidir (Phytochemistry, 1999)