Compounds of formula I wherein the substituents are as defined in claim 1 , and the agrochemically acceptable salts and all stereoisomers and tautomeric forms of the compounds of formula I can be used as agrochemical active ingredients and can be prepared in a manner known per se.
1. A compound of formula I
wherein
R 1 is chloro; and
R 2 is a group —C(O)N(R 3 )R 4 ; wherein
R 3 is hydrogen, and C 1 -C 6 alkyl, which can be mono- to polysubstituted by substituents selected from the group consisting of C 1 -C 6 alkylthio, C 1 -C 6 haloalkyl, C 1 -C 6 alkylsulfinyl, halogen, cyano, hydroxy, C 1 -C 6 alkoxy, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 1 -C 6 alkoxy-C 3 -C 6 alkynyl, di-C 1 -C 4 alkyl-phosphinoylmethyl, —C═N—O—C 1 -C 6 alkyl;
or is C 1 -C 6 alkoxycarbonylamino;
and
R 4 is hydrogen, C 1 -C 6 alkyl, or C 1 -C 6 haloalkyl; or an agrochemically acceptable salt, an isomer, an enantiomer, a tautomer, or an N-oxide of the compound.
2. A pesticidal composition, which comprises at least one compound of formula I according to claim 1 or a tautomer thereof, in each case in free form or in agrochemic ally utilizable salt form, as active ingredient and at least one auxiliary.