More preferred rates are in the range of 0.1 to 5% and the most preferred rates are in the range of 0.2 to 2.5%.Wood, leather, fabric, fiber board, paper and other industrial materials of an organic nature can be protected from decomposition or discoloration by fungi and infestation by mites by coating, incorporating or impregnating with an effectiveamount of one or more of the compounds of this i