@article{kyungjin_volkman_ellman_1998,  title={Synthesis of 3-Substituted 1,4-Benzodiazepin-2-ones},  volume={9},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50531998000400010},  DOI={10.1590/S0103-50531998000400010},  number={4},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Kyungjin, Kim and Volkman, Steven K. and Ellman, Jonathan A.},  year={1998},  month={Jul},  pages={375–379} }