1. Leibniz Institute of Plant Biochemistry, Department of Bioorganic Chemistry, Weinberg 3, D-06120 Halle (Salle), Germany
2. Department of Chemistry and Polymer Science, University of Stellenbosch, Private Bag X1, Matieland, Stellenbosch 7600, South Africa
3. Department of Chemistry, The Islamia University of Bahawalpur, 63100 Bahawalpur, Pakistan
4. Department of Chemistry, Women University, Swabi, Swabi 23430, Pakistan
5. Department of Chemistry, University of Kotli, Azad Jammu & Kashmir, Pakistan
6. College of Life Science, Anhui Normal University, Wuhu 241000, China