@article{2001,  volume={12},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532001000600001},  DOI={10.1590/S0103-50532001000600001},  number={6},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  year={2001},  month={Nov},  pages={693–694} }