1. Department of Chemical Sciences, National Institute of Pharmaceutical Education
and Research (NIPER), Balanagar, Hyderabad 500037, India
2. Neurofarba Department., Sezione di Scienze Farmaceutiche e Nutraceutiche, Università degli Studi di Firenze, Via
Ugo Schiff 6, 50019 Sesto Fiorentino, Florence, Italy
3. Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad
500037, India
4. Department of Chemistry, Anwar-Ul-Uloom College, 11-3-
918, New Malleypally, Hyderabad-500001, T. S., India