1. Department
of Organic Chemistry, Institute of Molecular and Translational Medicine,
Faculty of Science, Palacký University, 771 46 Olomouc, Czech Republic
2. Laboratory of Growth Regulators & Department of Chemical Biology and Genetics, Centre of the Region Haná for Biotechnological and Agricultural Research, Palacký University and Institute of Experimental Botany AS CR, Šlechtitelů 11, 783 71 Olomouc, Czech Republic