A compound of the formula:
wherein R is a C1-C4 alkyl group, a C3-C4 alkenyl group or a C3-C4 cycloalkyl group, X is a chlorine or bromine atom and Y is a hydrogen atom or a C1-C4 alkoxy group, which is useful as a herbicide.
式中的化合物:
其中 R 是 C1-C4 烷基、C3-C4 烯基或 C3-C4 环烷基,X 是
氯原子或
溴原子,Y 是氢原子或 C1-C4 烷氧基,可用作
除草剂。