... Full Text. Asian Journal of Chemistry; Vol. 23, No. 4 (2011), 1802-1806. ... 2Department of Chemistry, Jawaharlal Nehru Technological University, Kukatpally, Hyderabad-500 072, India *Corresponding author: E-mail: uvattikuti@yahoo.co.in. ... 1806 Usharani et al. Asian J. Chem. ...