1. Infochemicals Research Group, Institute of Organic Chemistry and Biochemistry, ASCR, v.v.i., Flemingovo nám. 2, CZ-166 10 Prague 6, Czech Republic
2. Department of Chemistry of Natural Compounds, Faculty of Food and Biochemical Technology, Institute of Chemical Technology, Technická 5, CZ-166 28 Prague 6, Czech Republic
3. Instituto de Química e Biotecnologia, Universidade Federal de Alagoas, BR 104 Norte Km 14, 57072-970, Maceió, Alagoas, Brazil
4. Department of Analytical Sciences, Faculty of Science, Charles University, Albertov 6, CZ-128 43 Prague 2, Czech Republic