Patent ID: 7105537

Claim:
A compound of the formula I wherein: Ar 1 is a substituted or unsubstituted heteroaryl, wherein heteroaryl contains one nitrogen and five carbons and may optionally be part of a bicyclic ring system; X is a linking group selected from the group consisting of alkylene, CO, alkyleneCO, OCO, alkyleneOCO, SO 2 and alkyleneSO 2 ; n is an integer from 1 to 4; R 1 and R 2 are each independently substituted or unsubstituted C 1 –C 4 alkyl, or R 1 can be cyclized with R 2 to form (—CH 2 —) m where m is an integer from 2 to 5; R 3 is hydrogen(H) or alkyl; Q is substituted or unsubstituted aryl, excluding heteroaryl; including all prodrug esters, pharmaceutically acceptable salts or stereoisomers thereof.