Patent ID: 7879884

Claim:
A compound according to formula I, wherein R 1 is selected from the group consisting of: chlorine, bromine, methyl, methoxy and trifluoromethyl; R 2 is selected from the group consisting of: fluorine, chlorine, bromine, methyl and trifluoromethyl; R 3 is selected from the group consisting of: hydrogen and methyl; R 4 is selected from the group consisting of: alkoxy, alkyl, alkylsulfanyl, halogen, trifluoromethyl, trifluoromethoxy, —S(O) 2 CH 3 and —NH—S(O) 2 CH 3 ; R 5 is selected from the group consisting of: hydrogen, alkoxy, alkyl, halogen, trifluoromethyl and trifluoromethoxy; R 6 is selected from the group consisting of: hydrogen, alkyl and trifluoromethyl; or a pharmaceutically acceptable salt thereof.