1. Department of Chemistry, Udai Pratap College, Varanasi, Uttar Pradesh, India
2. Department of Chemistry, University of Lucknow, Lucknow 226007, Uttar Pradesh, India
3. Department of Chemistry,
Dr. W. E. Bauer Research Laboratory, Lucknow Christian Degree College, Lucknow 226018, Uttar Pradesh, India
4. Department of Chemistry, D.A.V.
College, Kanpur, Uttar Pradesh, India