| abstract |
A compound of formula (I): ** Formula ** wherein: W is CRaRb or O; when W is CRaRb then Z is CH2; when W is O then Z is CF2; Ra and Rb are CH3 or considered together form a C3 spirocycloalkyl; where, when W is CRaRb, Z is CH2 and Ra and Rb are CH3: ** Formula ** ring A is: and ring B is: ** Formula ** or ring A is: and ring B is : where, when W is CRaRb, Z is CH2 and Ra and Rb considered together form a C3 spirocycloalkyl; ** Formula ** ring A is: and ** Formula ** ring B is: and where, when W is O and Z is CF2: ** Formula ** ring A is: and ring B is:; or one of its pharmaceutically acceptable salts and / or solvates. |