@article{monnerat_souza_mathias_braz-filho_vieira_2005,  title={A new indole alkaloid isolated from Tabernaemontana hystrix steud (Apocynaceae)},  volume={16},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532005000800004},  DOI={10.1590/S0103-50532005000800004},  number={6b},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Monnerat, Cecilia Silva and Souza, Jucimar Jorgeane de and Mathias, Leda and Braz-Filho, Raimundo and Vieira, Ivo José C.},  year={2005},  month={Nov},  pages={1331–1335} }