1. Department of Chemistry, Annamalai University, Annamalai Nagar, Chidambaram 608002, Tamil Nadu, India
2. Department of Pharmacology, KMCH College of Pharmacy, Kovai Estate, Kalapatty Road, Coimbatore 641048, Tamil Nadu, India
3. Department of Chemistry, Annamalai University, Annamalainagar - 608 002, Tamil Nadu, India