1. Department of Chemistry; Dr. Babasaheb Ambedkar Marathwada University; Aurangabad 431 004 India
2. Department of Pharmaceutical Chemistry, Y. B. Chavan College of Pharmacy; Dr. Rafiq Zakaria Campus; Aurangabad 431 001 India
3. Combi-Chem Resource Centre; CSIR-National Chemical Laboratory; Pune 411 008 India