Patent ID: 7030103

Claim:
A compound of Formula (I): or a pro-drug or pharmaceutically acceptable salt thereof, wherein R 1 is aryl or heteroaryl, wherein the aryl or heteroaryl group may be optionally substituted; n is 0, 1, or 2; R 2 is selected from the group consisting of hydrogen, alkyl, cycloalkyl, aralkyl, and aryl, wherein the aryl portion of any such group may be optionally substituted; R 3 is selected from the group consisting of hydrogen, alkyl, cycloalkyl, aralkyl, aryl, heteroaryl, and (heteroaryl)alkyl, any of which groups may be optionally substituted; R 4 is selected from the group consisting of OH, F, and SR 7 ; R 5 is selected from the group consisting of F, OR 6 , SR 7 , and N(R 7 ) 2 , where R 6 is selected from the group consisting of aryl, aralkyl, (heteroaryl)alkyl, and heteroaryl, wherein the aryl or heteroaryl portion of any such group may be optionally substituted, and where R 7 at each occurrence is independently selected from the group consisting of hydrogen, alkyl, cycloalkyl, aralkyl, and aryl; provided that R 6 is not unsubstituted phenyl; further provided that R 4 and R 5 are not both F; and further provided that R 1 is not 5-dimethylamino-1-naphthyl when R 2 and R 3 are both H, R 4 is OH, and R 5 is 4-nitrophenoxy.