Pyridyl-1,2,4-thiadiazoles as pest-control agents

摘要

Fungicidal novel pyridyl-1,2,4-thiadiazoles of the formula in which R1 represents optionally substituted pyridyl, and R2 represents optionally substituted aryl, and their preparation by oxidation of 5-arylalkylthio-1,2,4-thiadiazoles of the formula