@article{article130993d6,
title   = {21 'alfa'-Fluoro-7-nor-12,13,15,16-tetrahydrovoucapan-17'beta',21'alfa'-lactone},
author = {Guilardi, Silvana and Resende, Jackson Antônio Lamounier Camargos and Gambardella, Maria Teresa do Prado and Demuner, Antonio Jacinto and Barbosa, Luis Claudio de Almeida and Pilo-Veloso, Dorila},
year = {2003},
journal   = {Acta Crystallographica. Section E : Structure Reports Online}
}