Patent ID: 7947663

Claim:
A pharmaceutically acceptable composition, comprising a compound of formula III, or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable excipient; wherein: Z 1 is —OR and Z 2 is —OR; each R is, independently, hydrogen or an optionally substituted C 1-6 aliphatic, C 6-12 aryl, or C 6-12 heteroaryl group; L 1 is a covalent bond; Ring A is phenyl, wherein Ring A has at least one fluorine substituent; X is a covalent bond or a bivalent C 1-6 hydrocarbon chain, wherein one, two or three methylene units of X are optionally and independently replaced with one or more —O—; Ring B is phenyl; each occurrence of R 1 is, independently, halogen; R 2 is —CN, —NO 2 , —NC, —C(O)N(R′) 2 , —N 3 , N 2 R, —N(R) 2 , or —N(R′) 2 ; each R′ is hydrogen, —C(O)R, a suitable amino protecting group, or an optionally substituted C 1-6 aliphatic, C 6-12 aryl, or C 6-12 heteroaryl group; each instance of n is, independently, 1, 2, 3 or 4; and m is 1.