Patent ID: 7126001

Claim:
A compound having the formula: wherein R 1 and R 2 are the same or different and are each attached through a linker, and are substituted or unsubstituted aryl, substituted or unsubstituted cycloalkyl, cycloalkylamino, naphthyl, pyridineamino, piperidino, 9-purine-6-amino, thiazoleamino, hydroxyl, branched or unbranched alkyl, alkenyl, alkyloxy, aryloxy, arylalkyloxy, or pyridinyl group; wherein R 5 ′ is —C(O)—NHOH(hydroxamic acid); wherein the linker is an amide moiety, —O—, —S—, —NH—, or —CH 2 —; and n is an integer from 3 to 10, or an enantiomer or a pharmaceutically acceptable salt thereof.