| abstract |
The present invention relates to compounds of the formulae (Ia) and (Ib) n nwherein n R 1 represents C 1-10 alkyl which may be unsubstituted or substituted with halogen, or represents C 2-4 alkoxyalkyl, C 2-4 hydroxyalkyl, C 3-6 cycloalkyl, hydroxy, C 1-9 alkoxy which may be unsubstituted or substituted with halogen, or represents C 3-6 cycloalkoxy, C 2-4 alkoxyalkoxy or C 3-4 alkynyloxy, and R 2 represents hydrogen, C 1-4 alkoxycarbonyl, C 1-3 alkylcarbonyl or C 2-4 alkoxyalkyl, to processes for their preparation and to their use for controlling animal pests. |