Patent ID: 7423150

Claim:
A compound of the formula (I): wherein, X 1 and X 3 are selected from N and —NR 4 —, wherein R 4 is hydrogen or loweralkyl, provided that one of X 1 and X 3 must be N and the other of X 1 and X 3 must be —NR 4 —; X 2 is —NH— or —(CH 2 ) m —, wherein m is 0, 1, 2, 3 or 4; A 1 is substituted or unsubstituted alkyl, cycloalkyl, heterocycloalkyl, aryl, polycyclic aryl, polycyclic arylalkyl, heteroaryl, biaryl, heteroarylaryl, or heteroarylheteroaryl; R 1 is hydrogen or substituted or unsubstituted loweralkyl, alkoxyalkyl, loweralkyloxy, amino, aminoalkyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, alkyloxyalkylheterocycloalkyl, heteroarylalkyl, cycloalkyloweralkyl, heterocycloalkylloweralkyl, loweralkylheterocycloalkyl, arylloweralkyl, heteroarylloweralkyl, alkyloxyalkylheterocycloloweralkyl, or heteroarylloweralkyl; R 2 is hydrogen or loweralkyl; each R 3 and R 3 ′ are independently selected from hydrogen, halogen, hydroxy, cyano, loweralkyl, or loweralkoxy; and p and q are independently 0, 1, 2 or 3; or a pharmaceutically acceptable salt thereof.