The present invention provides a method for the treatment of GABAergic steroids having affinity and selectivity for the gamma-
aminobutyric acid A
receptor subunit alpha 5. A Acts as a positive allosteric
regulator of α5, thereby increasing the GABA A Provided are compounds of formula (I), and / or salts thereof, and / or biologically active metabolites thereof, and / or prodrugs thereof, and / or solvates thereof, and / or hydrates thereof, and / or polymorphs thereof, processes for their preparation and intermediates in the preparation processes, pharmaceutical compositions containing them alone or in combination with one or more other active ingredients, and their use as medicaments, which are useful in the treatment or prevention of diseases associated with the α5
receptor. [Formula 1] TIFF2023520647000122.tif46170