wherein R¹ is selected from alkyl, cycloalkyl, cycloalkylalkyl, aryl, arylalkyl, heterocyclyl, heterocyclylalkyl, heteroaryl, or heteroarylalkyl;

R² is selected from hydrogen, alkyl, alkenyl, alkynyl, alkoxyalkyl, cycloalkyl, cycloalkylalkyl, aryl, arylalkyl, heteroaryl, or heteroarylalkyl;

wherein alkyl, alkenyl, alkynyl, alkoxyalkyl, cycloalkyl, cycloalkylalkyl, aryl, arylalkyl, heteroaryl, and heteroarylalkyl are unsubstituted or substituted independently with alkyl, alkenyl, alkynyl, alkoxy, cycloalkyl, cycloalkenyl, acyl, acylamino, acyloxy, amino, monoalkylamino, dialkylamino, arylamino, cycloalkylamino, heteroarylamino, heterocyclylamino, aminocarbonyl, alkoxycarbonylamino, azido, cyano, halogen, hydroxy, hydroxyalkyl, keto, thiocarbonyl, carboxy, alkylcarboxy, carboxyalkyl, carboxyalkyloxy, alkylcarboxyalkyloxy, —SO₃H, aryl, aryloxy, cycloalkyloxy, heteroaryl, aminocarbonylamino, heteroaryloxy, heterocyclyl, heterocyclyloxy, hydroxyamino, alkoxyamino, nitro, S(O)₂NR^cR^c, —NR^cS(O)₂R¹ or —S(O)_pR^d;

wherein each substituent is unsubstituted or substituted with 1, 2, or 3 substituents independently selected from alkyl, carboxy, carboxyalkyl, aminocarbonyl, hydroxyl, alkoxy, halogen, haloalkyl, haloalkoxy, amino, substituted amino, cyano or —S(O)_pR^d;

X and Y are independently selected from CR′ or N, wherein R′ is selected from hydrogen, halogen, alkyl and haloalkyl;

A is selected from an arylene or an optionally substituted heteroarylene;

B is selected from a bond, (C₁-C₆)alkylene, (C₂-C₆)alkenylene or (C₂-C₆)alkynylene group, wherein 1 to 4 methylene groups are optionally replaced by groups independently selected from O, —S(O)_p—, —N(R^b)—, or —C(O)—;

wherein alkylene, alkenylene, and alkynylene are unsubstituted or substituted independently with alkyl, alkenyl, alkynyl, alkoxy, cycloalkyl, cycloalkenyl, acyl, acylamino, acyloxy, amino, monoalkylamino, dialkylamino, arylamino, cycloalkylamino, heteroarylamino, heterocyclylamino, aminocarbonyl, alkoxycarbonylamino, azido, cyano, halogen, hydroxy, hydroxyalkyl, keto, thiocarbonyl, carboxy, alkylcarboxy, carboxyalkyl, carboxyalkyloxy, alkylcarboxyalkyloxy —SO₃H, aryl, aryloxy, cycloalkyloxy, heteroaryl, aminocarbonylamino, heteroaryloxy, heterocyclyl, heterocyclyloxy, hydroxyamino, alkoxyamino, nitro, S(O)₂NR^cR^c, —NR^cS(O)₂R^c or —S(O)_pR^d;

Z is selected from hydrogen, heterocyclyl, cycloalkyl, aryl or heteroaryl;

wherein heterocyclyl, cycloalkyl, aryl and heteroaryl are unsubstituted or substituted independently with alkyl, alkenyl, alkynyl, alkoxy, cycloalkyl, cycloalkylalkyl, cycloalkenyl, acyl, acylamino, acyloxy, amino, monoalkylamino, dialkylamino, arylamino, cycloalkylamino, heteroarylamino, heterocyclylamino, aminocarbonyl, alkoxycarbonylamino, azido, cyano, halogen, hydroxy, hydroxyalkyl, keto, thiocarbonyl, carboxy, alkylcarboxy, carboxyalkyl, carboxyalkyloxy, alkylcarboxyalkyloxy —SO₃H, aryl, arylalkyl, aryloxy, cycloalkyloxy, heteroaryl, heteroarylalkyl, aminocarbonylamino, heteroaryloxy, heterocyclyl, heterocyclylalkyl, heterocyclyloxy, hydroxyamino, alkoxyamino, nitro, —S(O)₂NR^bR^b, —NR^bS(O)₂R^b or —S(O)_pR^d;

wherein each substituent is unsubstituted or substituted with 1, 2, or 3 substituents independently selected from alkyl, carboxy, carboxyalkyl, aminocarbonyl, hydroxy, alkoxy, alkoxyalkoxy, alkoxyalkyl, halogen, haloalkyl, haloalkoxy, amino, substituted amino, cyano or—S(O)_pR^d;

R^b is selected from hydrogen, alkyl, acyl, carboxyalkyl, carbonylamino, cycloalkyl, cycloalkylalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, or heterocyclylalkyl;

R^c is selected from hydrogen, alkyl, aryl, heteroaryl, or heterocyclyl;

R^d is selected from alkyl, cycloalkyl, aryl, heterocyclyl, or heteroaryl; and

p is 0, 1,or 2.