Prenylated flavonoids of the leaves of Macaranga conifer with inhibitory activity against cyclooxygenase-2. - Jang,D.S.; Cuendet,M.; Hawthorne,M.E.; Kardono,L.B.; Kawanishi,K.; Fong,H.H.; Mehta,R.G.; Pezzuto,J.M.; Kinghorn,A.D. (Phytochemistry, 2002)