Cyanatothiomethylthio pyrazines

摘要

Compounds are prepared which correspond to the formula <IMAGE> wherein n represents an integer of 0 to 3; p represents an integer of 0 to 2 and the sum of n + p is an integer of 0 to 3; and r is 0 or 1. These compounds have been found to be active as pesticides and find particular usage as fungicides, bactericides, nematocides and herbicides.