@article{article3a710538,
title   = {Caldensinic acid, a prenylated benzoic acid from Piper caldense},
author = {Freitas, Giovana Cássia de and Kitamura, Rodrigo Ossamu Saga and Lago, João Henrique Ghilardi and Young, Maria Cláudia Marx and Guimarães, Elsie Franklin and Kato, Massuo Jorge},
year = {2009},
doi = {10.1016/j.phytol.2009.03.006},
journal   = {Phytochemistry Letters}
}