Herbicidally active novel N,N'-bis-sulphonyl guanidines of the formula ##STR1## in which M is hydrogen, a metal or an ammonium radical, and R.sup.4, R.sup.5, R.sup.40 and R.sup.41 are various organic radicals.
具有杀草活性的新型N,N'-双磺酰基
胍类化合物的
化学式为##STR1##其中M为氢、
金属或
铵基,R.sup.4、R.sup.5、R.sup.40和R.sup.41为不同的有机基。