1. Department of Organic Chemistry, Faculty of Chemistry, Gdańsk University of Technology, 80-233 Gdańsk, Poland
2. Department of Organic Stereochemistry, Faculty of Chemistry, Adam Mickiewicz University in Poznań, Poznań 61-614, Poland
3. Laboratory of Luminescence Research, Faculty of Chemistry, University of Gdańsk, 80-308 Gdańsk, Poland