| abstract |
Compounds of formula (I) wherein Q is a group formula (II), (III); Z is=N-, formula (IV) or =C(R2)-; n is 0, 1, 2 or 3; R3 or R4 are each independently of the other hydrogen, alogen, -CN, C1-C4alkyl or C1-C4alkoxyl; or R3 and R4 together are C2-C5alkylene; and the agrochemically acceptable salts and all stereoisomers and tautomers of the compounds of formula (I) are suitable for use as herbicides. |