Patent ID: 7994218

Claim:
A compound of Formula (I): or a pharmaceutically acceptable salt thereof, wherein: R 1 is chosen from C 1-6 alkyl, substituted C 1-6 alkyl, C 3-6 cycloalkyl, substituted C 3-6 cycloalkyl, phenyl, substituted phenyl, C 4-12 cycloalkylalkyl, substituted C 4-12 cycloalkylalkyl, C 7-12 arylalkyl, substituted C 7-12 arylalkyl, C 1-6 heteroalkyl, substituted C 1-6 heteroalkyl, C 3-6 heterocycloalkyl, substituted C 3-6 heterocycloalkyl, C 5-6 heteroaryl, substituted C 5-6 heteroaryl, C 4-12 heterocycloalkylalkyl, substituted C 4-12 heterocycloalkylalkyl, C 6-12 heteroarylalkyl, and substituted C 6-12 heteroarylalkyl; and R 2 is chosen from hydrogen, —C(O)R 4 , —C(O)OR 4 , —C(O)N(R 4 ) 2 , —C(O)SR 4 , —C(R 5 ) 2 OC(O)R 4 , and —C(R 5 ) 2 OC(O)OR 4 ; wherein: each R 4 is independently chosen from C 1-4 alkyl, substituted C 1-4 alkyl, C 6-10 aryl, C 6-10 substituted aryl, C 3-8 cycloalkyl, and substituted C 3-8 cycloalkyl; and each R 5 is independently chosen from hydrogen, C 1-4 alkyl, —P(O)(OH) 2 , and —SO 2 OH; or R 1 and R 2 together with the atoms to which they are bonded form a C 5-7 heterocycloalkyl, substituted C 5-7 heterocycloalkyl, C 5-7 heteroaryl, and substituted C 5-7 heteroaryl ring; wherein each substituent group is independently chosen from halogen, —OH, C 1-4 alkyl, C 1-4 alkoxy, and —N(R 3 ) 2 wherein each R 3 is independently chosen from hydrogen and C 1-2 alkyl.