@article{silva_duarte_paes_sousa_nonato_portezani_mascarenhas_1998,  title={3-Epiabruslactone A, a New Triterpene Lactone Isolated from Austroplenckia populnea},  volume={9},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50531998000500009},  DOI={10.1590/S0103-50531998000500009},  number={5},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Silva, Grácia Divina de Fátima and Duarte, Lucienir Pains and Paes, Helena Clara da Silva and Sousa, José Rêgo de and Nonato, Maria Cristina and Portezani, Paulo José and Mascarenhas, Yvonne Primerano},  year={1998},  month={Sep},  pages={461–464} }