Compounds of the formula in which X represents alkyl, cycloalkyl or alkoxy, Y represents hydrogen, alkyl or alkoxy, Z represents hydrogen, alkyl or cycloalkyl, where A and B together with the carbon atom to which they are attached represent a saturated or unsaturated unsubstituted or substituted cycle which optionally contains at least one heteroatom, or A and B together with the carbon atom to which they are attached represent a C 1 -C 4 -alkylene group or a =N-OR 9 group, G represents hydrogen (a) or represents one of the groups in which E represents a metal ion equivalent or an ammonium ion, L represents oxygen or sulphur, M represents oxygen or sulphur, R 1 represents in each case optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, alkylthioalkyl, polyalkoxyalkyl or optionally halogen-, alkyl- or alkoxy-substituted cycloalkyl which may be interrupted at least one heteroatom, in each case optionally substituted phenyl, phenylalkyl, hetaryl, phenoxyalkyl or hetaryloxyalkyl, R 2 represents in each case optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, polyalkoxyalkyl or represents in each case optionally substituted cycloalkyl, phenyl or benzyl, R 3, R 4 and R 5 independently of one another represent in each case optionally halogen-substituted alkyl, alkoxy, alkylamino, dialkylamino, alkylthio, alkenylthio, cycloalkylthio or represent in each case optionally substituted phenyl, benzyl, phenoxy or phenylthio, R 6 and R 7 independently of one another represent hydrogen, in each case optionally halogen-substituted alkyl, cycloalkyl, alkenyl, alkoxy, alkoxyalkyl, represent optionally substituted phenyl, represent optionally substituted benzyl, or together with the nitrogen atom to which they are attached represent a cycle which is optionally interrupted by oxygen or sulphur, R 9 represents hydrogen, represents in each case optionally substituted alkyl, cycloalkyl, CH 2 -cycloalkyl, alkenyl, alkinyl, arylalkyl or hetarylalkyl. X represents alkyl, cycloalkyl or alkoxy, Y represents hydrogen, alkyl or alkoxy, Z represents hydrogen, alkyl or cycloalkyl, A and B together with the carbon atom to which they are attached represent a saturated or unsaturated unsubstituted or substituted cycle which optionally contains at least one heteroatom, A and B together with the carbon atom to which they are attached represent a C 1 -C 4 -alkylene group or a =N-OR 9 group, G represents hydrogen (a) or represents one of the groups in which E represents a metal ion equivalent or an ammonium ion, L represents oxygen or sulphur, M represents oxygen or sulphur, E represents a metal ion equivalent or an ammonium ion, L represents oxygen or sulphur, M represents oxygen or sulphur, R 1 represents in each case optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, alkylthioalkyl, polyalkoxyalkyl or optionally halogen-, alkyl- or alkoxy-substituted cycloalkyl which may be interrupted at least one heteroatom, in each case optionally substituted phenyl, phenylalkyl, hetaryl, phenoxyalkyl or hetaryloxyalkyl, R 2 represents in each case optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, polyalkoxyalkyl or represents in each case optionally substituted cycloalkyl, phenyl or benzyl, R 3, R 4 and R 5 independently of one another represent in each case optionally halogen-substituted alkyl, alkoxy, alkylamino, dialkylamino, alkylthio, alkenylthio, cycloalkylthio or represent in each case optionally substituted phenyl, benzyl, phenoxy or phenylthio, R 6 and R 7 independently of one another represent hydrogen, in each case optionally halogen-substituted alkyl, cycloalkyl, alkenyl, alkoxy, alkoxyalkyl, represent optionally substituted phenyl, represent optionally substituted benzyl, or together with the nitrogen atom to which they are attached represent a cycle which is optionally interrupted by oxygen or sulphur, R 9 represents hydrogen, represents in each case optionally substituted alkyl, cycloalkyl, CH 2 -cycloalkyl, alkenyl, alkinyl, arylalkyl or hetarylalkyl.