Affiliation: | 1. Institute of Bioorganic Chemistry, Polish Academy of Sciences , Noskowskiego 12/14, 61-704 , Poznan , Poland;2. Institute of Bioorganic Chemistry, Polish Academy of Sciences , Noskowskiego 12/14, 61-704 , Poznan , Poland;3. Stockholm University, Arrhenius Laboratory, Department of Organic Chemistry , S-10691 , Stockholm , Sweden |