Patent ID: 7307094

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 a saturated nitrogen heterocycle or methyl-substituted saturated nitrogen heterocycle, in which said nitrogen is tertiary, said heterocycle containing at least one 5 or 6-membered ring; and Ar is chosen from the group consisting of (i) aryl; (ii) heteroaryl; (iii) substituted aryl; (iv) substituted heteroaryl; and (v) dihydroheteroaryl.