@article{ribeiro_braz-filho_araújo_costa-lotufo_souza_nobre junior_silva_andrade neto_silveira_lima_2016,  title={New Epimeric Spirostanol and Furostanol-Type Steroidal Saponins from <i>Cestrum laevigatum</i> L.},  volume={27},  ISSN={0103-5053},  url={https://doi.org/10.5935/0103-5053.20160109},  DOI={10.5935/0103-5053.20160109},  number={12},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Ribeiro, Paulo R. V. and Braz-Filho, Raimundo and Araújo, Ana J. and Costa-Lotufo, Letícia V. and Souza, Luciana G. S. and Nobre Junior, Hélio V. and Silva, Cecília R. da and Andrade Neto, João B. de and Silveira, Edilberto R. and Lima, Mary Anne S.},  year={2016},  month={Dec},  pages={2170–2180} }