%T Plenary lectures presented at the Hungarian-German-Italian-Polish Joint Meeting on Medicinal Chemistry, Budapest, Hungary, 2-6 September 2001. Preface %P IV-IV %R MTMT:1013888 %N 9 %A FĂźlĂśp Ferenc %V 73 %D 2001 %I szte %L publicatio31261 %J PURE AND APPLIED CHEMISTRY