1. Zydus Research Centre, Cadila Healthcare Ltd., Sarkhej-Bavla N.H. No. 8 A, Moraiya, Ahmedabad 382210, India
2. Department of Chemistry, Faculty of Science, M. S. University of Baroda, Baroda 390002, India
3. API Division, Cadila Healthcare Limited, Sarkhej-Bavla N.H. No. 8 A, Changodar, Ahmedabad 382210, India