1. Research and Development, Dr. Reddy’s Laboratories Ltd., Bachupalli, Hyderabad 500072, Andhra Pradesh, India
2. Department of Chemistry, Institute of Science and Technology, J.N.T. University, Hyderabad 500072, Andhra Pradesh, India
3. Research and Development, Macleods Pharmaceuticals Ltd., Andheri(E), Mumbai 400093, India