@article{facundo_azevedo_rodrigues_nascimento_militão_silva_braz-filho_2012,  title={Chemical constituents from three medicinal plants: Piper renitens, Siparuna guianensis and Alternanthera brasiliana},  volume={22},  ISSN={0102-695X},  url={https://doi.org/10.1590/S0102-695X2012005000040},  DOI={10.1590/S0102-695X2012005000040},  number={5},  journal={Revista Brasileira de Farmacognosia},  publisher={Sociedade Brasileira de Farmacognosia},  author={Facundo, Valdir A. and Azevedo, Mariangela S. and Rodrigues, Rosely V. and Nascimento, Leandro F. do and Militão, Júlio S. L. T. and Silva, Gil V. J. da and Braz-Filho, Raimundo},  year={2012},  month={Sep},  pages={1134–1139} }