PLANT PROTECTING AGENT AND PROCESS FOR ITS PRODUCTION

摘要

Zinc complexes of phenyl- or thienyl-sulphonyl-urea derivs. of formula (I) used as active cpds. in herbicide formulations, intermediates (II) and intermediates (III) of (II) are prepd. A = substd. phenyl or thienyl gp., B = a gp. substd. with N atom(s) opt. a substd. heterocyclic gp. - (Dwg.1/19)