Patent ID: 7666864

Claim:
A compound of structural formula (I): having a nitroimidazole ring, or a pharmaceutically acceptable salt thereof; wherein R 1 is hydrogen, (C 1 -C 6 )alkyl, aryl, heteroaryl, or heterocycloalkyl; n is 0, 1, or 2; X 1 and X 2 are independently H, CF 3 , Cl, OCF 3 or F; G is —OH, -substituted or unsubstituted triazole, heteroaryl or —NHCOR 2 ; R 2 is (C 1 -C 6 )alkyl, cycloalkyl, aryl, or heteroaryl; and L is a bond, or a linker group selected from one or any combination of two to five of the following groups: 1) (C 1 -C 6 )alkylene, 2) (C 3 -C 8 )cycloalkylene, 3) arylene, 4) heteroarylene, 5) heterocycloalkylene containing one to three heteroatoms, 6) —C(═O)—, 7) —O—, 8) —S(O) n —, wherein n is number 0, 1, or 2, 9) —N(R 3 )—, 10) —C(R 4 )═C(R 5 )—, wherein the carbon or nitrogen atoms of the linker group are unsubstituted or substituted by one to three substituents, R 3 is hydrogen, (C 1 -C 6 )alkyl, aryl, heteroaryl, or heterocycloalkyl, and R 4 and R 5 are hydrogen, (C 1 -C 6 )alkyl, aryl, heteroaryl, or heterocycloalkyl, or R 4 and R 5 can join together to form a bond.