@article{almeida_benedito_maldaner_oliveira_2018,  title={A Validated NMR Approach for MDMA Quantification in Ecstasy Tablets},  volume={29},  ISSN={0103-5053},  url={https://doi.org/10.21577/0103-5053.20180071},  DOI={10.21577/0103-5053.20180071},  number={9},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Almeida, Nathalia S. and Benedito, Luiz E. C. and Maldaner, Adriano O. and Oliveira, Aline L. de},  year={2018},  month={Sep},  pages={1944–1950} }