Manzamine B and E and ircinal a related alkaloids from an indonesian Acanthostrongylophora sponge and their activity against infectious, tropical parasitic, and Alzheimer's diseases. - Rao,K.V.; Donia,M.S.; Peng,J.; Garcia-Palomero,E.; Alonso,D.; Martinez,A.; Medina,M.; Franzblau,S.G.; Tekwani,B.L.; Khan,S.I.; Wahyuono,S.; Willett,K.L.; et al. (J Nat Prod, 2006)