Patent ID: 7868175
Filing Date: 2011-01-11
Classification: A61P,C07D

Abstract:
1. A compound of formula I: wherein: a is 0 or 1; R b is 0 or 1; R A is selected from: where m is 0 or 1; s is 0, 1 or 2; t is 0, 1 or 2; R 4 is hydrogen or (1-4C)alkyl; and Ar 1 represents a (3-5C)heteroarylene group selected from pyrrole, imidazole, thiazole, oxazole, furan, thiophene, pyrazole, isoxazole, isothiazole, pyridine, pyrazine, pyridazine and pyrimidine; n is 1 or 2; R wherein each alkyl and alkoxy group in R or a pharmaceutically acceptable salt or stereoisomer thereof.