abstract |
A compound of the formula: <IMAGE> wherein R is a hydrogen atom or a C1-C4 alkyl group, X is a C3-C4 alkylene group or a C3 alkenylene group, Y is a hydrogen atom or a chlorine atom, A is a methyl group or a methoxy group and the substituted ureido group is present at the m- or p-position to the group of the formula: <IMAGE> which is useful as a herbicide. |