1. Department of Chemistry; Jawaharlal Nehru Technological University Hyderabad, Kukatpalli; Hyderabad 500 085 India
2. Laboratory for Synthetic & Natural Products Chemistry; Department of Chemistry; Yogi Vemana University; Kadapa 516 003 India
3. Polymer Biomaterial Design & Synthesis Laboratory; Department of Chemistry; Yogi Vemana University; Kadapa 516 003 India