Patent ID: 9718817
Date: 2017-08-01
CPC Classifications: A61P,C07C,C07D

Claim:
1. A compound of formula (I) or a pharmaceutically acceptable salt thereof, wherein Ring A is X Ring B is selected from phenyl, pyridinyl, benzimidazolyl, indolyl, [1,2,4]triazolo[4,3-a]pyridinyl and [1,2,4]oxadiazolyl;  is selected from each of x, y and z represents a point of attachment; R is selected from C each occurrence of W is independently selected from halogen, cyano, hydroxyl and C each occurrence of R each occurrence of R R each occurrence of R R R R ‘n’ is 0, 1, 2 or 3; ‘p’ is 0, 1 or 2; ‘q’ is 1 or 2; ‘s’ is 1, 2 or 3; ‘t’ is 0, 1 or 2; and ‘u’ is 1 or 2.