Patent ID: 7271191

Claim:
A compound of formula I: wherein: A represents CH; X represents a bond, O or NR 2 ; Y represents a bond, (CHR 8 ) n , CR 8 ═CR 8 , O—CHR 8 , CHR 8 —O or CHR 8 —NR 8 , where n is 1 or 2 and each R 8 is independently H or C 1-4 alkyl; Z represents Ar or N(R 9 ) 2 , with the proviso that when Z represents N(R 9 ) 2 , Y represents a bond or (CHR 8 ) n ; R 1 represents a hydrocarbon group selected from the group consisting of C 1-10 alkyl, C 3-10 cycloalkyl, C 3-6 cycloalkyl C 1-6 alkyl, C 2-10 alkenyl and phenyl which is optionally substituted with up to 3 halogen atoms; R 2 represents H or C 1-4 alkyl; R 3 represents H or C 1-4 alkyl; R 4 represents C 1-6 alkyl, R 5 represents H or C 1-6 alkyl; R 6 is bonded to one of the nitrogen atoms of the pyrazole ring and represents a hydrocarbon group of 1-5 carbon atoms selected from the group consisting of methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, t-butyl, cyclopropyl, cyclopropylmethyl and allyl, which is optionally substituted with up to 3 halogen atoms; R 7 represents H or C 1-6 alkyl; R 9 represents H or C 1-6 alkyl which is optionally substituted with up to 3 halogen atoms, provided that at least one R 9 is not H; and Ar represents phenyl which bears 0-3 substituents independently selected from halogen, CF 3 , CHF 2 , CH 2 F, NO 2 , CN, OCF 3 , C 1-6 alkyl and C 1-6 alkoxy; or a pharmaceutically acceptable salt thereof.