Patent ID: 7781430

Claim:
A compound of formula wherein R 1 , R 2 and R 3 are independently selected from hydrogen, halogen, amino, alkylamino, dialkylamino, acylamino, morpholinyl, —O-loweralkyl, hydroxy, loweralkyl, fluoroloweralkyl, —O-lowerfluoroalkyl, methylenedioxy, ethylenedioxy, alkoxy-loweralkyl and hydroxyloweralkyl; R 4 is an imidazolylalkyl residue wherein the imidazole of said imidazolylalkyl is optionally substituted with up to three groups chosen from halogen, (C 1 -C 4 )alkyl, substituted (C 1 -C 4 )alkyl and NH 2 ; and Ar is chosen from the group consisting of (i) aryl; (ii) heteroaryl; (iii) substituted aryl; (iv) substituted heteroaryl; and (v) dihydroheteroaryl.