1. Department
of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Sector 67, S. A. S. Nagar, Punjab 160 062, India
2. Department
of Microbial Biotechnology, Panjab University, Sector 25, Chandigarh, 160 014, India
3. National
Center for Natural Products Research, School of Pharmacy, The University of Mississippi, University, Mississippi 38677, United States
4. Department
of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Sector 67, S. A. S. Nagar, Punjab 160 062, India