@article{article3125fcff,
title   = {Chromenes from Peperomia serpens (Sw.) Loudon (Piperaceae)},
author = {Kitamura, Rodrigo Ossamu Saga and Romoff, Paulete and Young, Maria Claudia Marx and Kato, Massuo Jorge and Lago, João Henrique Ghilardi},
year = {2006},
doi = {10.1016/j.phytochem.2006.08.007},
journal   = {Phytochemistry}
}