Patent ID: 8334376

Claim:
A compound of Formula I wherein Z is chosen from OR 9 and NR 10 R 11 ; where R 9 is chosen from optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted aryl, and optionally substituted heteroaryl; R 10 is chosen from hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted aryl, and optionally substituted heteroaryl; and R 11 is chosen from optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted aryl, and optionally substituted heteroaryl; or R 10 and R 11 may optionally be joined together with any intervening atoms to form an optionally substituted heterocycloalkyl ring, or a pharmaceutically acceptable salt thereof.