1. Université de Strasbourg Université de Haute-Alsace CNRS, UMR 7042-LIMA, ECPM 25 Rue Becquerel Strasbourg 67087 France
2. Latvian Institute of Organic Synthesis Aizkraukles Str. 21 Riga 1006 Latvia
3. Division of Chemistry Faculty of Pure and Applied Sciences University of Tsukuba Tsukuba Ibaraki 305-8571 Japan