@article{rovirosa_san-martín_2006,  title={A novel metabolite from the Chilean mollusk Siphonaria lessoni},  volume={29},  ISSN={0100-4042},  url={https://doi.org/10.1590/S0100-40422006000100011},  DOI={10.1590/S0100-40422006000100011},  number={1},  journal={Química Nova},  publisher={Sociedade Brasileira de Química},  author={Rovirosa, Juana and San-Martín, Aurelio},  year={2006},  month={Jan},  pages={52–53} }