Patent ID: 7745638

Claim:
A compound having the formula (II): or salts or tautomers or N-oxides thereof; wherein Y is a bond or an alkylene chain of 1, 2 or 3 carbon atoms in length; R 1 is a substituted or unsubstituted phenyl group; R 2 is hydrogen; halogen; C 1-4 alkoxy; or a C 1-4 hydrocarbyl group optionally substituted by halogen or C 1-4 alkoxy; R 3 is selected from carbocyclic groups and heterocyclic groups having from 3 to 12 ring members wherein R 3 is not unsubstituted piperidin-4-yl, N-methyl piperidin-4-yl, an N-unsubstituted piperidin-4-yl substituted by C 3 alkyl or an N-methyl piperidin-4-yl substituted by C 1-3 alkyl.