Patent ID: 7186836

Claim:
A compound according to Formula I: or a pharmaceutically-acceptable salt thereof, wherein Ar is selected from a 2-, or 3-linked thienyl or benzo-fused thienyl substituted with 0, 1, 2 or 3 substituents independently selected at each occurrence from C 1-4 alkyl, C 1-4 alkoxy, C 1-4 halogenated alkyl, C 1-4 oxygenated alkyl, C 2-4 alkenyl, C 2-4 alkynyl, halogen, —CO 2 R 1 , —C(O)R 1 , —CN, —NO 2 , —NR 1 R2, R 1 and R 2 are independently selected at each occurrence from hydrogen or C 1-4 alkyl; R is a substituent selected from hydrogen, C 1-4 alkyl, C 1-4 halogenated alkyl, C 1-4 oxygenated alkyl, or halogen.