1. “C. D. Nenitzescu” Institute of Organic and Supramolecular Chemistry, Romanian Academy, Bucharest, Sector 6, Splaiul Independentei 202B, P.O. Box 35-108, 060023 Bucharest, Romania
2. Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology Politehnica Bucharest, 1-7 Polizu Street, Sector 1, 011061 Bucharest, Romania
3. Coordination Chemistry Laboratory, Department of Inorganic Chemistry, Faculty of Science, University of Yaounde, Yaounde P.O. Box 812, Cameroon
4. Doctoral School Chemical Engineering and Biotechnologies, National University of Science and Technology Politehnica Bucharest, 1-7 Polizu Street, Sector 1, 011061 Bucharest, Romania
5. Department of Pure and Applied Chemistry, Faculty of Physical Sciences, University of Calabar, Calabar 540281, Cross River State, Nigeria
6. Department of Chemistry, Alex Ekwueme Federal University, Ndufu-Alike, P.M.B. 1010, Abakiliki 482131, Ebonyi State, Nigeria