@article{regalado_laguna_mendiola_thomas_nogueiras_2011,  title={Bromopyrrole alkaloids from the caribbean sponge Agelas cerebrum},  volume={34},  ISSN={0100-4042},  url={https://doi.org/10.1590/S0100-40422011000200022},  DOI={10.1590/S0100-40422011000200022},  number={2},  journal={Química Nova},  publisher={Sociedade Brasileira de Química},  author={Regalado, Erik L. and Laguna, Abilio and Mendiola, Judith and Thomas, Olivier P. and Nogueiras, Clara},  year={2011},  pages={289–291} }