Task: Translation
Input (Czech): eÜen m jsou paclitaxelov  deriv ty obecn ho vzorce I nebo jejich farmaceuticky p°ijateln  soli.  eÜen  se d le t²k  farmaceutick ho prost°edku, kter² obsahuje protin dorov  · inn  mno stv  takov ho paclitaxelov ho deriv tu a farmaceuticky p°ijatelnou nosnou l tku. Uveden  deriv ty maj  antitumorov  · inky.\
Output (English): In the present invention, there are disclosed paclitaxel derivatives of the general formula I or pharmaceutically acceptable salts thereof. The present invention further relates to a pharmaceutical composition, which contains antineoplastic effective amount of such paclitaxel derivative and a pharmaceutically acceptable carrier substance. The indicated derivatives exhibit antineoplastic activity.