| 摘要 |
Compounds of the formula: <IMAGE> wherein R and R1 are independently lower alkyl or R and R1 are joined to form a cycloalkyl group of 5 to 8 carbon atoms; R2 is hydrogen or chloro; and R3 is hydrogen, halogen or -SR4 wherein R4 is lower alkyl, phenyl or phenyl substituted with 1 to 3 of the same or different substituents selected from halogen, nitro, lower alkyl or lower alkyl substituted with 1 to 3 halogens with the proviso that when R2 is chloro, R3 is not -SR4, bromo, fluorine or iodine, possess good fungicidal activity. Moreover, some of the compounds of this invention are active as algicides and herbicides.
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