Patent ID: 7960396

Claim:
A compound of Formula (D2) having the structure: wherein: L a is O or S; Ar is an unsubstituted phenyl; Y is a 4-, 5-, 6-, or 7-membered cycloalkyl ring, or Y is a 4-, 5-, 6-, or 7-membered monocyclic nitrogen-containing heterocycloalkyl ring; Z is C(═O), OC(═O), NHC(═O), S(═O) x , or NHS(═O) x , where x is 2; R 8 is H; R 7 is H, unsubstituted C 1 -C 4 alkyl, C 1 -C 6 alkoxyalkyl, C 1 -C 8 alkylaminoalkyl, or C 1 -C 4 alkyl(phenyl); or R 7 and R 8 taken together form a bond; R 6 is H, unsubstituted C 1 -C 4 alkyl, C 1 -C 6 alkoxyalkyl, C 1 -C 8 alkylaminoalkyl, or C 1 -C 4 alkyl(phenyl); or a pharmaceutically acceptable salt thereof.