A compound of formula wherein R 1 represents hydrogen, halogen, cyano, OH, NH 2, C 1 -C 4 alkyl, C 3 -C 6 cycloalkyl, NH(C 1 -C 4 alkyl), N(C 1 -C 4 alkyl) 2, CO(C 1 -C 4 alkyl), CO 2 (C 1 -C 4 alkyl), CO 2 H, CONH(C 1 -C 4 alkyl), CON(C 1 -C 4 alkyl) 2, SO 2 NH(C 1 -C 4 alkyl), SO 2 N(C 1 -C 4 alkyl) 2, C 1 -C 4 haloalkyl, C 1 -C 4 alkoxy, C 1 -C 4 haloalkoxy, C 1 -C 4 alkyl-C 1 -C 4 alkoxy or C 2 -C 4 alkynyl; R 2 represents C 3 -C 6 alkyl, C 3 -C 6 alkenyl, C 3 -C 6 alkynyl, R 7 or -C 1 -C 2 alkyl-R 7, each of which may be optionally substituted by one or more groups independently selected from the group consisting halogen, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl and C 1 -C 4 haloalkoxy; R 3 and R 4 independently of each other represent hydrogen, C 1 -C 4 alkyl or C 3 -C 6 cycloalkyl; or R 3 and R 4 together with the nitrogen atom to which they are attached form a 3-6-membered saturated cyclic group; R 5 represents H, C 1 -C 4 alkyl or C 1 -C 4 haloalkyl; R 6 represents C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 1 -C 4 haloalkyl or C 1 -C 4 haloalkoxy; R 7 represents a three- to ten-membered monocyclic or fused bicyclic ring system which can be aromatic, partially saturated or fully saturated and can contain 1 to 4 hetero atoms selected from the group consisting of nitrogen, oxygen and sulfur, it being possible for the three- to ten-membered ring system itself to be optionally substituted by one or more groups independently selected from the group consisting halogen, C 1 -C 4 haloalkyl, C 1 -C 4 alkoxy and C 1 -C 4 haloalkoxy; and tautomers/isomers/enantiomers/salts and N-oxides of these compounds. R 1 represents hydrogen, halogen, cyano, OH, NH 2, C 1 -C 4 alkyl, C 3 -C 6 cycloalkyl, NH(C 1 -C 4 alkyl), N(C 1 -C 4 alkyl) 2, CO(C 1 -C 4 alkyl), CO 2 (C 1 -C 4 alkyl), CO 2 H, CONH(C 1 -C 4 alkyl), CON(C 1 -C 4 alkyl) 2, SO 2 NH(C 1 -C 4 alkyl), SO 2 N(C 1 -C 4 alkyl) 2, C 1 -C 4 haloalkyl, C 1 -C 4 alkoxy, C 1 -C 4 haloalkoxy, C 1 -C 4 alkyl-C 1 -C 4 alkoxy or C 2 -C 4 alkynyl; R 2 represents C 3 -C 6 alkyl, C 3 -C 6 alkenyl, C 3 -C 6 alkynyl, R 7 or -C 1 -C 2 alkyl-R 7, each of which may be optionally substituted by one or more groups independently selected from the group consisting halogen, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl and C 1 -C 4 haloalkoxy; R 3 and R 4 independently of each other represent hydrogen, C 1 -C 4 alkyl or C 3 -C 6 cycloalkyl; or R 3 and R 4 together with the nitrogen atom to which they are attached form a 3-6-membered saturated cyclic group; R 5 represents H, C 1 -C 4 alkyl or C 1 -C 4 haloalkyl; R 6 represents C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 1 -C 4 haloalkyl or C 1 -C 4 haloalkoxy; R 7 represents a three- to ten-membered monocyclic or fused bicyclic ring system which can be aromatic, partially saturated or fully saturated and can contain 1 to 4 hetero atoms selected from the group consisting of nitrogen, oxygen and sulfur, it being possible for the three- to ten-membered ring system itself to be optionally substituted by one or more groups independently selected from the group consisting halogen, C 1 -C 4 haloalkyl, C 1 -C 4 alkoxy and C 1 -C 4 haloalkoxy; and tautomers/isomers/enantiomers/salts and N-oxides of these compounds.