@article{david_ferrari_david_guimarães_lima_souza_2007,  title={New triterpene and antibacterial labdenoic acid derivatives from Moldenhawera nutans},  volume={18},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532007000800022},  DOI={10.1590/S0103-50532007000800022},  number={8},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={David, Juceni P. and Ferrari, Jailton and David, Jorge M. and Guimarães, Alaíse G. and Lima, Fernanda W. de M. and Souza, Geórgia L. S. de},  year={2007},  pages={1585–1589} }