Patent ID: 7417049

Claim:
A compound having the formula: and pharmaceutically-acceptable salts thereof, wherein Ar is selected from a 2-, or 3-linked furyl, benzofuryl or isobenzofuryl; substituted with 1, 2 or 3 substitutents, or, when a benzofuryl or isobenzofuryl with 0, 1, 2, or 3 substituents, independently selected at each occurrence from 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 , —(CH 2 ) n NR 1 R 2; n is 0, 1, or 2; 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.