HERBICIDALLY ACTIVE 2-(DIMETHYLCARBAMOYLIMINO)-1,3,4-THIADIAZOLIN-3-CARBOXYLIC ACID ESTERS,PROCESS FOR THEIR MANUFACTURE AND THEIR USE

摘要

2-(Dimethylcarbamoylimino)-1,3,4-thiadiazolin-3-carboxylic acid esters of the formula: in which R and R1 are aliphatic hydrocarbon groups which may be halogenated, and n is 0, 1 or 2, are effective herbicides, and exhibit a high degree of selectivity toward cultivated plants.