Task: Translation
Input (Czech): Jsou pops ny nov  deriv ty 11beta-benzaldoximestra-4,9-dienu obecn ho vzorce I, kde Z p°edstavuje -CO-CH.sub.3.n., -CO-O-C.sub.2.n.H.sub.5.n., -CO-NH-fenyl, -CO-NH-C.sub.2.n.H.sub.5.n., -CO-C.sub.2.n.H.sub.5.n., -CH.sub.3.n. nebo -CO-fenyl, a jejich farmaceuticky p°ijateln  soli, zp sob jejich v²roby esterifikac  nebo  terifikac  slou eniny vzorce II skupinou Z, kde Z m  shora uveden² v²znam. D le jsou pops ny farmaceutick  p° pravky, kter  obsahuj  tyto deriv ty a l  ivo, kter  obsahuje tyto slou eniny. Popsan  slou eniny vykazuj  siln  antigestagenn  · inky p°i mal  glukokortikoidn  aktivit .\
Output (English): In the present invention there are described novel derivatives of 11-{beta}-beta-benzaldoximestra-4,9-diene of the general formula I, in which Z represents  -CO-CHi3, -CO-O-Ci2Hi5, -CO-NH-phenyl, -CO-NH-Ci2Hi5, -CO-Ci2Hi5, -CHi3 or -CO-phenyl, and pharmaceutically acceptable salts thereof, process of their preparation by esterification or etherification of the compounds of the general formula II by the group Z, wherein Z is as specified above. There are further described pharmaceutical preparations in which these derivatives are comprised as well as a medicament containing these compounds. The described compounds exhibit strong anti-gestagen activity at little glucocorticoid activity.