@article{alves_souza_chaves_2010,  title={Caldensinic acid, a benzoic acid derivative and others compounds from Piper carniconnectivum},  volume={33},  ISSN={0100-4042},  url={https://doi.org/10.1590/S0100-40422010000400007},  DOI={10.1590/S0100-40422010000400007},  number={4},  journal={Química Nova},  publisher={Sociedade Brasileira de Química},  author={Alves, Harley da Silva and Souza, Maria de Fátima Vanderlei de and Chaves, Maria Célia de Oliveira},  year={2010},  pages={802–804} }