Patent ID: 8097628

Claim:
A compound of Formula (I) or a pharmaceutically acceptable salt or N-oxide thereof: wherein: one of Z 1 and Z 2 is CH or N and the other of Z 1 and Z 2 is CH; U is selected from the group consisting of phenyl, pyridyl, pyridazinyl, pyrimidinyl, pyrazinyl, thiazolyl, furanyl, imidazolyl and thiophenyl; n is 0 or 1; R 5 and R 6 are independently selected from the group consisting of halo, CF 3 , OCF 3 , C 1-3 alkyl, NHR 7 , NR 7A R 7B , C 1-3 alkoxy, nitro and cyano; or R 5 is —C m H 2m -A where m is 1-5 and the moiety —C m H 2m — is a straight or branched chain and A is selected from the group consisting of OH, OR 7 , OCOR 7 , OCO 2 R 7 , OCONR 7 , OPO 2 R 7 and NH 2 , where R 7 , R 7A and R 7B are each independently C 1-5 alkyl.