Patent ID: 7338950

Claim:
A compound of the formula I′: or a pharmaceutically acceptable salt, or stereoisomers, or tautomers thereof, wherein: each of W, X, Y and Z is independently CR 4 ; R 1′ is aryl, substituted aryl, heteroaryl, substituted heteroaryl aralkyl, heteroaralkyl, amino or substituted amino; each R 4 is independently hydrogen, substituted or unsubstituted alkyl, hydroxyalkyl, haloalkyl, amino, alkylamino, dialkylamino, arylamino, alkylarylamino, alkoxy, aryloxy, heteroaryloxy, aminoalkoxy, alkoxy, cycloalkylalkoxy, alkoxycarbonyl, arylalkyloxy, aryl, heteroaryl, arylalkyl, sulfo, sulfonyl, sulfanyl, aminosulfonyl, arylsulfonyl, carboxy, carbamoyl, cyano, cycloheteroalkyl, halo, heteroalkyl, hydroxyl, or thiol; and the subscript n and the subscript m are independently 0, 1, 2, 3, or 4.