1. Patent US 156 (1968) 33395;Wolf;Chem. Abstr.,1968
2. Patent ger, 667 (1975) 2442;Winters;Chem. Abstr.,1975
3. Molecular diversity of spirooxindoles. Synthesis and biological activity;Pavlovska;Mol. Divers.,2016
4. Recent advances in green synthesis of 3,3′-spirooxindoles via Isatin based one pot multicomponent cascade reactions in aqueous medium;Yan;Chem. Select.,2016
5. Therapeutic potential of spirooxindoles as antiviral agents;Ye;ACS Infect. Dis.,2016