| abstract |
Compounds of formula (I) or their salts, where R<1> to R<6>, W, X, a and b are as defined in claim 1 and L is a heterocyclic or isocyclic aromatic residue with 5 to 6 ring atoms which can be condensed with an aromatic or non-aromatic 5- or 6-membered ring and which may be substituted or unsubstituted, and a, b and c independently stand for 0 or 1, are suitable for use as herbicides, plant growth regulators and fungicides. They can be produced by the process defined in claim 5, and some new intermediate products (see claims 14 and 15) can be used. |