@article{silva_esteves_pinto_2011,  title={Chlorination of isatins with trichloroisocyanuric acid},  volume={22},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532011000200010},  DOI={10.1590/S0103-50532011000200010},  number={2},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Silva, Bárbara V and Esteves, Pierre M and Pinto, Angelo C},  year={2011},  month={Feb},  pages={257–263} }