Patent ID: 8049037

Claim:
A compound having the structure: wherein: each R 1 is independently —H or lower alkyl; each R 2 is independently straight or branched chain alkyl other than methyl, cycloalkyl, heterocyclic, aryl, heteroaryl, alkenyl, alkynyl, Cl, Br, I, hydroxy, alkoxy, alkylamino, alkylcarboxyl, trifluoromethyl, —N(R 4 ) 2 , —CN, —CO 2 R 4 , —CH 2 OH, —OCF 3 , —OCHF 2 , or —NO 2 ; each R 3 are independently straight or branched chain alkyl, cycloalkyl, heterocyclic, aryl, heteroaryl, alkenyl, alkynyl, Cl, Br, I, hydroxy, alkoxy, alkylamino alkylcarboxy, trifluoromethyl, —N(R 4 ) 2 , —CN, —CO 2 R 4 , —CH 2 OH, —OCF 3 , —OCHF 2 , or —NO 2 ; wherein each R 2 is in the meta- or para-position relative to the carbonyl moiety; each R 4 is independently H, straight or branched chain alkyl, cycloalkyl, aryl, heteroaryl, haloalkyl, hydroxy, alkoxy, hydroxyalkyl, alkylcarbonyl, formyl, oxycarbonyl, carboxyl, alkyl carboxylate, alkylamide, amino, alkylamino, or aminocarbonyl; Z 1 , Z 2 , Z 3 , Z 4 , Z 5 , and Z 6 are each independently C or one is N; X is F, Cl, Br, or I; each n is independently 1-5; and p is 1; or pharmaceutically acceptable salts thereof.