PRODRUGS OF THE SELECTIVE PROGESTERONE RECEPTOR MODULATOR (SPRM) (11.BETA.,17.BETA.)-17-HYDROXY-11-[4-(METHYLSULPHONYL)PHENYL]-17-(PENTAFLUOROETH YL)ESTRA-4,9-DIEN-3-ONE
This invention concerns Selective Progesterone Receptor Modulators (SPRM) in a prodrug form as well as to their application in therapy. (3±,11²,17²)-11-[4-(methylsulfonyl)phenyl]-17-(pentafluoroethyl)estra-4,9-diene-3,17-diol (Compound 1) is one of the invention prodrugs.