Jeyavijayan, S., et al. “Quantum Computational, Structural and Molecular Docking Analysis of 3,3,5,5-Tetramethyl-2-Pyrrolidone: A DFT Approach”. Asian Journal of Chemistry, vol. 34, no. 8, July 2022, pp. 2025-34, doi:10.14233/ajchem.2022.23677.