1. Department of Refining and Petrochemistry, National Advanced School of Mines and Petroleum Industries, University of Maroua, Kaélé, Cameroon
2. Centre for Advanced Drug Research, COMSATS University Islamabad, Abbottabad, Pakistan
3. Department of Biochemistry, Faculty of Science, University of Dschang, Dschang, Cameroon
4. Dipartimento di Chimica, “Sapienza” Università di Roma, Rome, Italy
5. Institute of Medical Research and Medicinal Plants Studies (IMPM), Ministry of Scientific Research and Innovation, Yaoundé, Cameroon
6. Department of General, Organic and Biomedical Chemistry, Faculty of Medicine and Pharmacy, University of Mons, NMR and Molecular Imaging Laboratory, Mons, Belgium
7. Department of Chemistry, Faculty of Science, University of Ngaoundéré, Ngaoundéré, Cameroon