| abstract |
The present invention relates to sulfonamide derivatives, their use in medicine, compositions containing them, processes for their preparation and intermediates used in such processes. More particularly, the present invention provides compounds of formula (I) A new sulfonamide Nav1.7 inhibitor with (wherein Z 1 , R a , R b , R 1 , R 2 , R 3 , R 4 and R 5 are as defined herein) Or a pharmaceutically acceptable salt thereof. Nav1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain. |