@article{marchesini_prado_messiano_machado_lopes_2009,  title={Chemical constituents of Aristolochia giberti},  volume={20},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532009000900006},  DOI={10.1590/S0103-50532009000900006},  number={9},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Marchesini, Alessandra M. and Prado, Giovana G. and Messiano, Gisele B. and Machado, Marcos B. and Lopes, Lucia M. X.},  year={2009},  pages={1598–1608} }