1. Department of Chemistry of the Belarussian State University, Skaryna av. 4, 220050 Minsk, Republic of Belarus
2. Institute of Bioorganic Chemistry of the Belarus National Academy of Sciences, Kuprevicha st. 5/2, 220141 Minsk, Republic of Belarus
3. Research Unit Time‐Resolved Spectroscopy, University of Leipzig, Permoserstr. 15, D‐04318 Leipzig, Germany
4. Institute of Medical Physics and Biophysics, Medical Department, University of Leipzig, Liebigstrasse 27, D‐04103 Leipzig, Germany