Machado, M. B.Lopes, LMX2014-05-202014-05-202005-03-01Phytochemistry. Oxford: Pergamon-Elsevier B.V., v. 66, n. 6, p. 669-674, 2005.0031-9422http://hdl.handle.net/11449/31648Biflavones and a chalcone flavone tetramer were isolated from the leaves of Aristolochia ridicula, together with proto-quercitol. Their structures were determined by spectroscopic methods. (c) 2005 Elsevier Ltd. All rights reserved.669-674engAristolochia ridiculaAristolochiaceaeflavonoidsbiflavonoidtetraflavonoidchalcone-flavone tetramercyclitolChalcone-flavone tetramer and biflavones from Aristolochia ridiculaArtigo10.1016/j.phytochem.2005.01.016WOS:000228403300010Acesso restrito