@article{article446eb488,
title   = {Chemical constituents from three medicinal plants: Piper renitens, Siparuna guianensis and Alternanthera brasiliana},
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 Valdo José da and Braz-Filho, Raimundo},
year = {2012},
doi = {10.1590/S0102-695X2012005000040},
journal   = {Revista Brasileira de Farmacognosia}
}