2-(Dimethylcarbamoylimino)-1,3,4-thiadiazolin-3-carboxylic acid esters of the formula: ##STR1## in which R and R.sub.1 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.
式为:##STR1##其中R和R.sub.1是脂肪烃基,可以被卤化,n为0、1或2的2-(二甲基
氨基甲酰亚
氨基)-1,3,4-
噻二唑-3-
羧酸酯是有效的
除草剂,并对栽培植物表现出高度的选择性。