1. Latvian Institute of Organic Synthesis Aizkraukles 21 1006 Riga Latvia
2. Institute of Chemistry Rostock University Albert-Einstein-Str. 3a 18059 Rostock Germany
3. Leibniz Institute for Catalysis Albert-Einstein-Str. 29a 18059 Rostock Germany
4. Faculty of Chemistry University of Latvia Jelgavas 1 1004 Riga Latvia