Patent ID: 8299053

Claim:
A pharmaceutical composition comprising a pharmaceutically acceptable vehicle and a compound of structural Formula (I): or a salt thereof wherein: R 1 , R 2 , and R 3 are each independently selected from the group consisting of hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, substituted arylalkyl, heteroaryl, substituted heteroaryl, heteroalkyl, substituted heteroalkyl, heteroarylalkyl, substituted heteroarylalkyl, halo, hydroxy, and nitro; R 4 is nitro; R 5 and R 6 are each independently selected from the group consisting of hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, substituted arylalkyl, heteroaryl, substituted heteroaryl, heteroalkyl, substituted heteroalkyl, heteroarylalkyl, substituted heteroarylalkyl, halo, hydroxy, and nitro; R 7 is a substituted acyl selected from the group consisting of substituted —C(O)-cycloalkyl, substituted —C(O)-aryl, substituted —C(O)-arylalkyl, substituted —C(O)-heteroaryl, substituted —C(O)-heteroarylalkyl, and an —C(O)-alkyl substituted by one or more substituents independently selected from the group consisting of halogen, —OR 60 , —SR 60 , —CF 3 , —OS(O) 2 R 60 , —OP(O)(OR 60 )(OR 61 ), and —OP(O)(OH) 2 ; R 60 represents independently for each occurrence alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, heteroaryl, or substituted heteroaryl; and R 61 represents independently for each occurrence hydrogen, alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, heteroaryl, or substituted heteroaryl; provided that at least two of R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 are nitro.