@article{article78498f02,
title   = {A pentacyclic triterpene from Maytenus imbricata: structure elucidation by X-ray crystallography},
author = {Pimenta Junior, Alécio Antonio and Silva, Sílvia Ribeiro de Souza e and Silva, Gracia Divina de Fátima and Barbosa, Luiz Cláudio de Almeida and Ellena, Javier and Doriguetto, Antonio Carlos},
year = {2006},
doi = {10.1007/s11224-006-9046-9},
journal   = {Structural Chemistry}
}