Patent ID: 6897215

Claim:
A compound of Formula I: wherein: R1 is H or C 1-4 -alkyl; . . . X is —CH, —C—O═R3, ═C, or —N; . . . Y is C-R2 or N R2 is H or C 1-4 alkyl; R3 is H, or —C(O)-R4 R4 is H or a labile prodrug group alkyl n is 1 or 2; m and o are 1; and Ar is an aryl or heteroaryl group selected from the group consisting of pyridyl, thienyl, quinolinyl, pyrimidyl, furyl, thiazolyl, oxazolyl, and imidazolyl and which aryl or heteroaryl group is optionally substituted with 1-3 substituents.