1Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmaceutical Sciences, University of Nigeria, Nsukka. 410001, Enugu, Nigeria, E-mail: Osadebe_P@gmail.com
2Department of Chemistry, Hunter College of CUNY, The City University of New York, USA, E-mail: Osadebe_P@gmail.com
3Department of Pharmaceutical Biology, Heinrich Heine University, Bilk, 40225 Düsseldorf, Germany, E-mail: Osadebe_P@gmail.com
4Department of Pharmaceutical Microbiology and Biotechnology, Faculty of Pharmaceutical Sciences, Nnamdi Azikiwe University, PMB 6025, Awka, Nigeria, E-mail: Osadebe_P@gmail.com
5Department of Pharmacology and Toxicology, Faculty of Pharmaceutical Sciences, University of Nigeria, Nsukka. 410001, Enugu, Nigeria, E-mail: Osadebe_P@gmail.com