1. Department of Chemistry Acharya Nagarjuna University, Nagar Guntur 522510 AP-India
2. Department of Pharmaceutical Chemistry and Phytochemistry Nirmala College of Pharmacy, Atmakur, Mangalagiri Guntur 522302 AP-India
3. Dept. of Nanotechnology Acharya Nagarjuna University, NNagar Guntur 522510 AP-India