Patent ID: 7662819

Claim:
A compound having the structure of Formula I: wherein R 1 is —X 1 —NR 4 R 5 or, —X 2 —C(O)NR 4 R 5 wherein R 4 is hydrogen or C 1-4 lower alkyl, and R 5 is aryl, heteroaryl, —C(═NH)NH 2 , —C(═O)R 6 or —S(═O) 2 R 6 , wherein R 6 is hydrogen, optionally substituted C 1-4 alkyl, optionally substituted C 1-4 alkenyl, C 1-4 alkoxy, 5 or 6 membered optionally substituted monocyclic aryl, or 5 or 6 membered optionally substituted monocyclic heteroaryl; X 1 is optionally substituted linear or branched C 1-4 alkylene; and X 2 is optionally substituted linear or branched C 2-4 alkylene; R 2 is optionally substituted mono or bicyclic heterocyclyl, optionally substituted mono or bicyclic aryl, or mono or bicyclic heteroaryl, R 3 is hydrogen, optionally substituted C 1-4 alkyl, or optionally phenyl; with the proviso that R 3 is not 2-methoxyphenyl; and Y is (CH 2 ) p , where P is 0, 1, or 2, or a pharmaceutically acceptable salt thereof.