Kaushik, D.; Khan, S. A.; Alam, O.; Chawla, G.; Kashedikar, S. G. QSAR Optimization of Benzofuran and Benzothiophene Sulfono Biphenyl As Potent PTPase-1B Inhibitors. Dhaka Univ. J. Pharm. Sci 2008, 6, 77-80.