Patent ID: 7893020

Claim:
A compound having the structure of Formula (III): wherein: R 1 is: X 1 is selected from the group consisting of —O— and —S—; m 1 is an integer from 0 to 4; n 1 is an integer from 0 to 1; R 11 is selected from the group consisting of —NH 2 , —NH—CH(═NH), —NH—C(CH 3 )(═NH), —CH(═NH)NH 2 , and —NH—C(═NH)NH 2 ; R 3 is selected from the group consisting of: X 3 is selected from the group consisting of —CH 2 —, —C(CH 3 ) 2 —, —O—, and —S—; m 3 is an integer from 1 to 2; n 3 is an integer from 0 to 2; R 31 is selected from the group consisting of C 1-10 alkyl, C 1-10 alkenyl, C 1-10 alkynyl, and C 1-10 cycloalkyl; R 4 is selected from the group consisting of hydrogen, optionally substituted C 1-6 alkyl, and optionally substituted C 3-7 cycloalkyl; Ar is an optionally substituted phenyl, R 5 is selected from the group consisting of: each optionally substituted with methyl, ethyl, n-propyl, isopropyl, cyclopropyl, tert-butyl, hydroxyl, methoxyl, ethoxyl, hydroxymethyl, trifluoromethyl, trifluoromethoxyl, or halogen moieties, and wherein: each A 5 is separately selected from the group consisting of ═CH— and ═N—, with the proviso that each A 5 containing ring contains no more than four ═N— groups; each B 5 is separately selected from the group consisting of —C═, —N═, —O—, —S—, —NH—, and —N(R 6 )—, with the proviso that each B 5 containing ring contains no more than three heteroatoms; R 6 is selected from the group consisting of hydrogen, C 1-6 alkyl, and C 3-6 cycloalkyl; R 51 is selected from the group consisting of hydrogen, methyl, ethyl, and cyclopropyl; m 5 is an integer from 1 to 3; n 5 is an integer from 0 to 2; p 5 is an integer from 0 to 4; and any amino groups present in R 1 are optionally acylated with an amino acid having an (S)-configuration selected from aspartic acid and glutamic acid.