| abstract |
The invention relates to 17-hydroxy-17-pentafluoroethyl-estra-4,9 (10) -diene-11-aryl derivatives of the formula I having progesterone antagonizing action and a process for their preparation, their use for the treatment and / or prophylaxis of diseases and their use for the preparation of medicaments for the treatment and / or prophylaxis of diseases, in particular uterine fibroids (fibroids, uterine leiomyomas), endometriosis, severe menstrual bleeding, meningiomas, hormone-dependent breast cancers and menopausal-related disorders or for fertility control and emergency contraception. |