1. Department of Chemistry, Manipal Institute of Technology, Manipal University, Manipal, Karnataka, India
2. Department of Chemistry, University of Lubeck, Lubeck, Germany
3. X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, Penang, Malaysia
4. Department of Chemistry, Alva's Institute of Engineering & Technology, Mijar, Moodbidri, Karnataka, India
5. Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia