1. School of Pharmaceutical Sciences and Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province Shandong Analysis and Test Center Qilu Universit of Technology (Shandong Academy of Sciences) Jinan P. R. China
2. Department of Chemistry Karakoram International University Gilgit Pakistan
3. Chemistry Department University of Education Lahore Vehari Pakistan
4. Department of Bioorganic Chemistry Leibniz Institute of Plant Biochemistry Halle (Saale) Germany
5. International Cooperation Service Qilu University of Technology (Shandong Academy of Sciences) Jinan P. R. China
6. Department of Chemistry, Faculty of Science The University of Bamenda Bambili Cameroon