Patent ID: 7078415

Claim:
A compound of formula (I) in which X 1 represents CH; n is 1 or 2; each R represents hydrogen or methyl; R 1 represents imidazol-1-yl or X a R a in which X a represents O, S or NR b ; R a represents a hydrogen atom, a (1–4C)alkyl group, a phenyl group or a pyridyl group; R b represents a hydrogen atom, a (1–4C)alkyl group or, together with R a and the nitrogen atom to which they are attached represents a saturated 4 to 6-membered ring which may contain, as a ring member, one of O, S and NR c in which R c represents hydrogen or (1–4C)alkyl; and R 2 is selected from in which X 2 represents a hydrogen atom, a halogen atom or an amino group; X 3 represents a hydrogen atom, a methyl group, a fluorine atom, a chlorine atom or a bromine atom; X 4 represents a hydrogen atom, a methyl group or a halogen atom; X 5 represents a chlorine atom, a methoxy group or a methyl group; and X 6 represents a hydrogen atom, a halogen atom or a methyl group; or a pharmaceutically acceptable salt thereof.