1. Department
of Organic Chemistry, Institute of Chemistry, Saint Petersburg State University, Universitetskaya nab., 7/9, Saint Petersburg 199034, Russia
2. Department
of Chemistry, Chemical Processes and Technologies, Togliatti State University, Belorusskaya ul., 14, Togliatti, 445667 Russia
3. Center
for Magnetic Resonance, Research Park, St. Petersburg State University, Universitetskiy pr. 26, Saint Petersburg,
Petrodvoretz 198504, Russia