Institution: | 1. Central Research Institute for Chemistry of the Hungarian Academy of Sciences, H-1025 Budapest, Pusztaszeri ut Hungary;2. Bruker Analytische Messtechnik, Am Silberstreifen, D-7512 Rheinstetten-Fo., Germany;3. Institut de Chimie des Substances Naturelles du CNRS, 91190 - Gif-sur Yvette, France |