@article{article4a178655,
title   = {Lupeol},
author = {Corrêa, Rodrigo S. and Coelho, Carla P. and Santos, Marcelo H. and Ellena, Javier and Doriguetto, Antonio Carlos},
year = {2009},
doi = {10.1107/s0108270109004910},
journal   = {Acta Crystallographica C}
}