Patent ID: 7208526

Claim:
Compounds according to formula I and all pharmaceutically acceptable salts or esters thereof wherein formula I is: wherein: (a) R 1 , R 2 and R 3 are independently selected from the group consisting of hydrogen, halogen, alkyl, alkoxy, alkylsulfanyl, halogenated alkyl, halogenated alkoxy, halogenated alkylsulfanyl, nitro, amino, alkylamino, dialkylamino, cyano, hydroxyl, and heterocyclyl; (b) R 4 and R 5 are independently selected from the group consisting of hydrogen and alkyl; (c) R 6 is selected from the group consisting of chlorine, bromine, methyl, trifluoromethyl, and methoxy; and (d) R 7 is selected from the group consisting of chlorine, bromine, fluorine, methyl, and trifluoromethyl.