The compounds of the formula (I)
in which
R
1
represents hydrogen or in each case optionally substituted alkyl, alkenyl, alkynyl or phenyl are highly suitable as microbicides for protecting plants and materials.
式(I)中化合物,其中R1代表氢原子或在每种情况下可选地取代的烷基、烯基、炔基或苯基,非常适用于作为微
生物杀菌剂,以保护植物和材料。