Patent ID: 8217044

Claim:
A compound of the formula wherein X is selected from the group consisting of F, Cl, and Br; Y is selected from the group consisting of F, Cl, and Br; R 1 is a substituted lower alkyl selected from where R 9 , R 10 are both methyl, or linked to form a cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl group; R 11 is (CH 2 ) q —R 12 ; R 12 is selected from hydrogen, hydroxyl, lower alkyl, lower alkoxy, lower cycloalkenyl, substituted cycloalkenyl, lower cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, hetereoaryl, substituted heteroaryl, hetereocycle or substituted heterocycle; q is 0, 1 or 2; R 2 is selected from the group consisting of aryl, substituted aryl, heteroaryl and substituted heteroaryl; R 3 , R 4 , R 5 is selected from H or F with the proviso that at least two of R 3 , R 4 , R 5 are hydrogen; R 6 , R 7 , R 8 is selected from H or F with the proviso that at least two of R 6 , R 7 , R 8 are hydrogen and the pharmaceutically acceptable salts and enantiomers thereof.