BAJPAI, Shivam; BHATIA, Sunil; BAJPAI, Anil Kumar; ASTHANA, Sarvesh Narain. An efficient bentonite clay catalyzed multicomponent synthesis of substituted spirooxindoles in water/ethanol solvent system. Journal of Drug Delivery and Therapeutics, India, v. 14, n. 8, p. 119–122, 2024. DOI: 10.22270/jddt.v14i8.6754. Disponível em: https://jddtonline.info/index.php/jddt/article/view/6754. Acesso em: 30 apr. 2026.