Shrivastava, Shobhit, and Dharmendra Ahuja. “Synthesis, Characterization and Antimicrobial Activity of Some Novel Mannich Bases of Indole-2,3-Dione”. Asian Journal of Chemistry 35, no. 5 (April 28, 2023): 1183–1188. Accessed July 6, 2024. https://asianpubs.org/index.php/ajchem/article/view/35_5_19.