Patent ID: 6417194
Filing Date: 2002-07-09
Classification: A61P,C07D

Abstract:
A compound of formula I, whereinR1 is C1-4 alkoxy optionally substituted by one or more fluorine atoms; each of R2 and R3 is, independently, H, C1-6 alkoxy (optionally substituted by one or more fluorine atoms, or by phenyl which may in turn be substituted by one or more fluorine atoms), or cyclobutyloxy; R4 is a piperidine ring which piperidine ring is fused to a pyridine ring or to a benzene ring, the ring system as a whole being substituted by NHSO2(C1-4 alkyl); X is CH or N; provided that R2 and R3 are not both H; and provided that when X represents N, then R4 is not naphthyridine; or a pharmaceutically acceptable salt thereof.