Patent ID: 8058447

Claim:
A compound of the formula (I) in which R 1 and R 2 are identical or different and are independently of one another (C 1 -C 4 )-alkyl, trifluoromethyl, cyclopropyl or cyclobutyl, A is a bond or O, R 3 is (C 3 -C 7 )-cycloalkyl or is (C 1 -C 6 )-alkyl which may be substituted by (C 3 -C 7 )-cycloalkyl or once to three times by fluorine, R 4 is hydrogen, halogen, cyano, nitro, trifluoromethyl, (C 1 -C 4 )-alkyl or (C 1 -C 4 )-alkoxy and R 5 is hydrogen or fluorine, or a salt thereof.