Affiliation: | 1.Department of Chemistry, Faculty of Science, University of Dschang, P.O. Box 67 Dschang, Cameroon; (R.D.T.N.); (M.T.); (A.S.N.);2.Department of Biochemistry, Faculty of Science, University of Dschang, P.O. Box 67 Dschang, Cameroon; (P.N.); (A.T.M.); (B.G.); (V.K.);3.Organic and Bioorganic Chemistry, Department of Chemistry, Bielefeld University, D-33501 Bielefeld, Germany;4.Department of Chemistry, Higher Teacher Training College, University of Yaounde I, P.O. Box 47 Yaounde, Cameroon; |