@article{khan_ullah_farooq_2023,  title={Mannich bases derivatives of 2-Phenyl-5-Benzimidazole sulfonic acid; Synthesis, Characterization, Computational studies and Biological evaluation},  volume={59},  ISSN={1984-8250},  url={https://doi.org/10.1590/s2175-97902023e19544},  DOI={10.1590/s2175-97902023e19544},  journal={Brazilian Journal of Pharmaceutical Sciences},  publisher={Universidade de São Paulo, Faculdade de Ciências Farmacêuticas},  author={Khan, Muhammad Qasim and Ullah, Naseem and Farooq, Samra},  year={2023},  pages={e19544} }