1. Department of Pharmaceutical Chemistry and Analysis, Ratnam Institute of Pharmacy, Nellore, Andhra Pradesh, 524346, India.
2. Department of Pharmaceutical chemistry, Bapuji pharmacy college, Davangere, Karnataka, 577004, India.
3. Department of Pharmacy, Narayana Pharmacy College, Nellore, Andhra Pradesh, 524002, India.
4. Department of Pharmaceutical Analysis, Narayana Pharmacy College, Nellore, Andhra Pradesh, 524002, India.