Chemical compounds and their use as pesticides

Compounds of the formula I

• wherein
• X, Y and Z independently of each other are C1-4alkyl, C3-6cycloalkyl, C1-4haloalkyl, C1-4alkoxy, halogen, phenyl or phenyl substituted by C1-4alkyl, C1-4haloalkyl, halogen or cyano;
• m and n, independently of each other, are 0, 1, 2 or 3 and m+n is 0, 1, 2 or 3;
• G is hydrogen, a metal, ammonium, sulfonium or a latentiating group;
• R1 and R2, independently of each other, are hydrogen, C1-4alkyl, benzyl, C1-4alkylcarbonyl or C1-4alkoxycarbonyl;
• or
• R1 and R2 together with the nitrogen atom to which they are attached form a 5- to 7-membered ring optionally containing a further heteroatom selected from nitrogen, oxygen or sulphur;
• R3 and R4, independently of each other, are hydrogen, C1-4alkyl, benzyl, C1-4alkylcarbonyl or C1-4alkoxycarbonyl;
• or
• R3 and R4 together with the nitrogen atom to which they are attached form a 5- to 7-membered ring optionally containing a further heteroatom selected from nitrogen, oxygen and sulphur;
• and
• an agrochemically acceptable salt or an N-oxide thereof.