abstract |
ABSTRACT OF THE DISCLOSURE Herbicidally active novel substituted phenylsul-fonyl quanidines of the formula in which R1 is a phenyl or phenoxy group, each of R2 and R3 is a lower alkyl or lower alkoxy group, and R4 is a hydrogen atom, a lower alkyl group, a lower al-koxy group, or a hydroxy group, and novel intermediates therefor. |