@article{articlee09d4cc2,
title   = {Butanolides as a common feature of Iryanthera lancifolia and Virola surinamensis},
author = {Lopes, Norberto Peporine and Yoshida, Massayoshi and Silva, Dulce Helena Siqueira and Kato, Massuo Jorge},
year = {1998},
doi = {10.1016/s0031-9422(97)01092-3},
journal   = {Phytochemistry}
}