Patent ID: 7541472

Claim:
A compound of formula I: wherein: R is aryl; Ar is heteroaryl; Ar 1 is a 5 or 6-membered aromatic or heteroaromatic ring; X 1 , X 2 , and X 3 taken individually from H, halogen, alkyl, alkenyl, alkynyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, cyano, nitro; aryl or aryloxy or aryloxyalkyl, optionally substituted with halogen, alkyl, haloalkyl, alkoxy, alkyithio, haloalkoxy, cyano, nitro, or X 1 and X 2 or X 2 and X 3 as an adjacent pair together form the group —Y—W-Z-, where: Y and Z are independently oxygen, sulphur, sulphonyl, carbonyl, or CR 1 R 2 ; W is —(CR 3 R 4 ) p —(CR 5 R 6 ) q — or sulfonyl; R 1 and R 2 are independently hydrogen, halogen, or alkyl; R 3 and R 4 are independently hydrogen, halogen, alkyl or haloalkyl or together form an oxo group; R 5 and R 6 are independently hydrogen, halogen, alkyl or haloalkyl; p is 1 or 2; and q is 0 or 1; R′ is C1-C4 alkylene optionally substituted with alkyl, haloalkyl, alkoxy, or cyano; n is 0 or 1; or a salt thereof.