Affiliation: | (1) Department of Organic Chemistry, Technical University of Gdańsk, PL-80-952 Gdańsk, Poland;(2) Laboratory of NMR, Technical University of Gdańsk, PL-80-952 Gdańsk, Poland;(3) Department of Pharmaceutical Technology and Biochemistry, Technical University of Gdańsk, PL-80-952 Gdańsk, Poland |