1. Organic Chemistry Laboratory, University of Bayreuth, Universitätsstrasse 30, 95440 Bayreuth, Germany
2. Institute for Biochemistry, Westfälische-Wilhelms-Universität, Wilhelm-Klemm-Strasse 2, 48149 Münster, Germany
3. Department of Chemistry & Post Graduate Research Center, Abeda Inamdar Senior College, Camp, Pune 411001, India
4. Developmental Biology, University of Bayreuth, Universitätsstrasse 30, 95440 Bayreuth, Germany