@article{oliveira_carvalho_silva_werle_2002,  title={New Biflavonoid and Other Constituents from Luxemburgia nobilis (EICHL)},  volume={13},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532002000100020},  DOI={10.1590/S0103-50532002000100020},  number={1},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Oliveira, Márcia C. C. de and Carvalho, Mário G. de and Silva, Cleber J. da and Werle, Alceni A.},  year={2002},  month={Jan},  pages={119–123} }