Kaushik, D., S. A. Khan, O. Alam, G. Chawla, and S. G. Kashedikar. “QSAR Optimization of Benzofuran and Benzothiophene Sulfono Biphenyl As Potent PTPase-1B Inhibitors”. Dhaka University Journal of Pharmaceutical Sciences, vol. 6, no. 2, Feb. 2008, pp. 77-80, doi:10.3329/dujps.v6i2.679.