1. Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmaceutical Sciences, David Umahi Federal University of Health Sciences, Uburu 491105, Ebonyi State, Nigeria
2. Department of Applied Sciences, Federal College of Dental Technology and Therapy, Enugu 400103, Enugu State, Nigeria
3. Science Laboratory Technology, Institute of Management and Technology, Enugu 401105, Enugu State, Nigeria