Patent ID: 6864264

Claim:
A compound of the formula: wherein. R 1 is Ad- or Ad-(L1)n-, wherein n is 0 or 1, Ad is adamantyl, and L1 is C1-6 alkalene; R 2 is HET; HET is substituted or unsubstituted quinolyl wherein the substituent is X; wherein X is selected from the group consistng of hydrogen, straight chain or branched C1-6 alkyl, halo, amino, C1-6 akyl amino, C1-6 dialkyl amino, C1-6 alkoxy, C1-6 aralkoxyl, aryl, C1-6 aralkyl, nitro, cyano and a phosphorus containing group; Y is H, or C1-6 alkyl; or a phamaeuically acceptable salt or derivative thereof.