Green synthesis of tetraketones: crystal structure, DFT studies and Hirshfeld surface analysis of 2,2′-((3,4-dimethoxyphenyl) methylene) bis(3-hydroxy-5,5-dimethylcyclohex2-enone). - Shashi, R.; Begum, Noor Shahina; Panday, Anoop Kumar (Molecular Crystals & Liquid Crystals, 2020)