| 摘要 |
Compounds of the formula in which A is an unsubstituted or mono- to tetrasubstituted, aromatic or non-aromatic, monocyclic or bicyclic heterocyclic radical, where one to two of the substituents of A can be selected from the group consisting of halo-C<SUB>1</SUB>-C<SUB>3</SUB>alkyl, cyclopropyl, halocyclopropyl, C<SUB>2</SUB>-C<SUB>3</SUB>alkenyl, C<SUB>2</SUB>-C<SUB>3</SUB>alkynyl, halo-C<SUB>2</SUB>-C<SUB>3</SUB>alkenyl, halo-C<SUB>2</SUB>-C<SUB>3</SUB>alkynyl, halo-C<SUB>1</SUB>-C<SUB>3</SUB>alkoxy, C<SUB>1</SUB>-C<SUB>3</SUB>alkylthio, halo-C<SUB>1</SUB>-C<SUB>3</SUB>alkylthio, allyloxy, propargyloxy, allylthio, propargylthio, haloallyloxy, haloallylthio, cyano and nitro, and one to four of the substituents of A can be selected from the group consisting of C<SUB>1</SUB>-C<SUB>3</SUB>alkyl, C<SUB>1</SUB>-C<SUB>3</SUB>alkoxy and halogen; R is hydrogen, C<SUB>1</SUB>-C<SUB>6</SUB>alkyl, phenyl-C<SUB>1</SUB>-C<SUB>4</SUB>alkyl, C<SUB>3</SUB>-C<SUB>6</SUB>cycloalkyl, C<SUB>2</SUB>-C<SUB>6</SUB>alkenyl or C<SUB>2</SUB>-C<SUB>6</SUB>alkynyl; and X is N-NO<SUB>2 </SUB>or N-CN, and, if appropriate, tautomers thereof, in each case in free form or in salt form, can be used as agrochemical active ingredients and can be prepared in a manner known per se.
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