1. Department of Chemical Sciences, Adekunle Ajasin University, Akungba-Akoko, Ondo State, Nigeria
2. Department of Chemistry, Ekiti State University, Ado-Ekiti, Nigeria
3. Department of Chemistry, University of Medical Sciences, Ondo, Ondo Sate, Nigeria
4. Department of Chemistry, Federal University of Technology, Akure, Ondo State, Nigeria
5. Department of Chemistry, University of Benin, Benin, Edo State, Nigeria