Patent ID: 8716302

Claim:
A compound of Formula (I) or a pharmaceutically acceptable salt thereof wherein R 2 , R 3 , R 4 and R 5 are each independently hydrogen, lower alkyl, —NH 2 , —NO 2 , —OH, —CN or halogen, provided that at least one of R 2 and R 5 is halogen; R 9 is —R 11 or —C(O)R 11 , wherein R 11 is optionally substituted aliphatic, haloalkyl, aryl, heteroaryl, alkylaryl, alkylheteroaryl, carbocycle or heterocycle; and R 10 is —NO 2 , —NH 2 , —NHC(O)R 12 , —C(O)NHR 12 or —NHS(O) 2 R 12 , wherein R 12 is optionally substituted aliphatic, alkylaryl, alkylheteroaryl, aryl, heteroaryl, carbocycle or heterocycle.