11-(4-(DIMETHYLAMINO)PHENYL)-5,17-DIHYDROXY-19-NORPREGN-9-ENE-3,20-DIONE CYCLIC BIS(1,2-ETHANEDIYL ACETAL), (5.ALPHA.,11.BETA.)-
11-(4-(dimethylamino)phenyl)-5,17-dihydroxy-19-norpregn-9-ene-3,20-dione cyclic bis(1,2-ethanediyl acetal), (5.alpha.,11.beta.)-