@article{article5a636e23,
title   = {Arynaphtalene neolignans from virola calophylla},
author = {Martinez, J C and Yoshida, Massayoshi and Gottlieb, Otto Richard},
year = {1990},
doi = {10.1016/0031-9422(90)85206-u},
journal   = {Phytochemistry}
}