Institution: | a Latvian Institute of Organic Synthesis, Aizkraukles Str. 21, Riga LV1006, Latvia b Institute of Medicine and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA c Faculty of Chemistry, University of Gdansk, Gdansk 80-952, Poland d Academic Computer Center in Gdansk TASK, ul. Narutowicza 11/12, Gdansk 80-952, Poland |