发明授权
US4802910A Herbicidal acylated sulphonylguanidines 失效
除草酰化磺酰胍

Herbicidal acylated sulphonylguanidines
摘要:
Novel herbicides of the formula ##STR1## in which R.sup.1 represents an organic radical,R.sup.2 represents hydrogen or an organic radical,R.sup.3 represents an organic radical or an amino radical,R.sup.4 represents hydrogen, an organic radical, an ether radical or an amino radical,X represents N or CH,Y and Z each represent N, CH or a substituted C radical, andM is H, a metal ion or an acyl radical, or a strong acid adduct thereof. Some intermediates are also new.
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