A. Sambashiva Rao1, K. Ramesh2, K. Rajanna3, and I. Chakrvarthi1 , “Ultrasonically Assisted Halogenation of Aromatic Compounds using Isoquinolinium Bound Hypervalent Chromium and Tetrabutylammonium Halides in PEG-600 Solutions under Acid Free and Solvent-Free Conditions”, ajc, vol. 30, no. 8, pp. 1892–1896, Jun. 2018.