1. Department of Chemistry, Biomedical Research Laboratory, Virudhunagar Hindu Nadar's Senthikumara Nadar (VHNSN) College, Virudhunagar – 626 001, India
2. Center for Chemical Biology, Indian Institute of Chemical Technology, Hyderabad-500 607, India
3. Department of Botany, Biomedical Research Laboratory, VHNSN College, Virudhunagar – 626 001, India