Patent ID: 6878727

Claim:
A compound represented by formula (I): wherein: r is 0, 1, 2, 3, 4 or 5; Y is ═O or —O(CH m ) n , where m is 2 or 3 and n is an integer from 0 to 5; X is when Y is —O(CH m ) n and X is when Y is ═O; or X and Y taken together R 1 is hydrogen, or an aryl, heteroaryl, or heterocycloalkyl group unsubstituted or substituted with one or more substituents selected from the group consisting of halogens; ═O; ═S; —CN; —NO 2 ; alkyl; heteroalkyl; alkenyl; alkynyl; aryl; cycloalkyl; heterocycloalkyl: heteroaryl; alkoxy; —(CH 2 ) z CN where z is an integer from 1 to 4; ═NH; —NHOH; —OH; —C(O)H; —OC(O)H; —C(O)OH; —OC(O)OH; —OC(O)OC(O)H; —OOH; —C(NH)NH 2 ; —NHC(NH)NH 2 ; —C(S)NH 2 ; —NHC(S)NH 2 ; —NHC(O)NH 2 ; —S(O 2 )H; —S(O)H; —NH 2 ; —C(O)NH 2 ; —OC(O)NH 2 ; —NHC(O)H; —NHC(O)OH; —C(O)NHC(O)H; —OS(O 2 )H; —OS(O)H; —OSH; —SC(O)H; —S(O)C(O)OH; —SO 2 C(O)OH; —NHSH; —NHS(O)H; —NHSO 2 H; —C(O)SH; —C(O)S(O)H; —C(O)S(O 2 )H; —C(S)OH; —C(SO)OH; —C(SO 2 )OH; —NHC(S)H; —OC(S)H; —OC(S)OH; —OC(SO 2 )H; —S(O 2 )NH 2 ; —S(O)NH 2 ; —SNH 2 ; —NHCS(O 2 )H; —NHC(SO)H; —NHC(S)H; and —SH groups, unsubstituted or substituted with one or more substituents selected from the group consisting of halogens; ═O; ═S; —CN; —NO 2 ; alkyl; heteroalkyl; alkenyl; alkynyl; aryl; cycloalkyl; heterocycloalkyl; heteroaryl; alkoxy; —(CH 2 ) z CN where z is an integer from 1 to 4; ═NH; —NHOH; —OH; —C(O)H; —OC(O)H; —C(O)OH; —OC(O)OH; —OC(O)OC(O)H; —OOH; —C(NH)NH 2 ; —NHC(NH)NH 2 ; —C(S)NH 2 ; —NHC(S)NH 2 ; —NHC(O)NH 2 ; —S(O 2 )H; —S(O)H; —NH 2 ; —C(O)NH 2 ; —OC(O)NH 2 ; —NHC(O)H; —NHC(O)OH; —C(O)NHC(O)H; —OS(O 2 )H; —OS(O)H; —OSH; —SC(O)H; —S(O)C(O)OH; —SO 2 C(O)OH; —NHSH; —NHS(O)H; —NHSO 2 H; —C(O)SH; —C(O)S(O)H; —C(O)S(O 2 )H; —C(S)H; —C(SO)OH; —C(SO 2 )OH; —NHC(S)H; —OC(S)H; —OC(S)OH; —OC(SO 2 )H; —S(O 2 )NH 2 ; —S(O)NH 2 ; —SNH 2 ; —NHCS(O 2 )H; —NHC(SO)H; —NHC(S)H; and —SH groups; and R 2 is a cyclopentyl group, unsubstituted or substituted with one or more substituents selected from the group consisting of halogens; ═O; ═S; —CN; —NO 2 ; alkyl; alkenyl; alkynyl; aryl; cycloalkyl; heterocycloalkyl; heteroaryl; —(CH 2 ) z CN where z is an integer from 1 to 4; ═NH; —NHOH; —OH; —C(O)H; —OC(O)H; —C(O)OH; —OC(O)OH; —OC(O)OC(O)H; —OOH; —C(NH)NH 2 ; —NHC(NH)NH 2 ; —C(S)NH 2 ; —NHC(S)NH 2 ; —NHC(O)NH 2 ; —S(O 2 )H; —S(O)H; —NH 2 ; —C(O)NH 2 ; —OC(O)NH 2 ; —NHC(O)H; —NHC(O)OH; —C(O)NHC(O)H; —OS(O 2 )H; —OS(O)H; —OSH; —SC(O)H; —S(O)C(O)OH; —SO 2 C(O)OH; —NHSH; —NHS(O)H; —NHSO 2 H; —C(O)SH; —C(O)S(O)H; —C(O)S(O 2 )H; —C(S)OH; —C(SO)OH; —C(SO 2 )OH; —NHC(S)H; —OC(S)H; —OC(S)OH; —OC(SO 2 )H; —S(O 2 )NH 2 ; —S(O)NH 2 ; —SNH 2 ; —NHCS(O 2 )H; —NHC(SO)H; —NHC(S)H; and —SH groups; and R 3 is hydrogen, ═S, or SH unsubstituted or substituted with an aryl group; or a pharmaceutically acceptable salt thereof.