Patent ID: 7989633

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, R 3 is (C 3 -C 7 )-cycloalkyl, is (C 1 -C 6 )-alkyl which may be substituted by (C 3 -C 7 )-cycloalkyl or once to three times by fluorine, or is phenyl which may be substituted by halogen, cyano, (C 1 -C 4 )-alkyl, trifluoromethyl, (C 1 -C 4 )-alkoxy or trifluoromethoxy, R 4 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 5 is hydrogen, halogen, cyano, nitro, trifluoromethyl, (C 1 -C 4 )-alkyl or (C 1 -C 4 )-alkoxy, and R 6 is hydrogen or fluorine, or a salt, solvate, or solvate of a salt thereof.