Patent ID: 8314113

Claim:
A compound of formula (I) in which R 1 , R 2 and R 3 independently of one another represent hydrogen, alkyl, alkoxy, carboxyl, alkylcarbonyl, alkoxycarbonyl, aminocarbonyl, trifluoromethyl, halogen, cyano, hydroxyl or nitro, R 4 and R 5 independently of one another represent hydrogen, alkyl, alkoxy, alkylthio, cyano, halogen, nitro, trifluoromethyl or trifluoromethoxy, R 6 represents alkyl, cyano, halogen, nitro or trifluoromethyl, R 7 and R 8 independently of one another represent hydrogen, halogen, alkyl or alkoxy and R 9 represents aryl or 1,3-benzodioxol-5-yl, where aryl and 1,3-benzodioxol-5-yl may be substituted by 1 to 3 substituents, where the substituents independently of one another are selected from the group consisting of alkoxy, alkylthio, carboxyl, alkylcarbonyl, alkoxycarbonyl, aminocarbonyl, trifluoromethyl, halogen, carbamoyl, cyano, hydroxyl, amino, alkylamino, nitro and optionally hydroxyl-substituted alkyl, or a salt thereof.