Compounds of the present invention are represented by the formula, ##STR1## wherein X represents a lower alkyl, lower alkoxy, lower haloalkyl or lower haloalkoxy group or a halogen atom, and R.sup.1 and R.sup.2, which may be the same or different, represent a hydrogen atom or a methyl group. They are useful intermediates for preparing herbicidal compounds.
本发明的化合物由以下公式表示:##STR1## 其中X代表低级烷基,低级烷氧基,低级卤代烷基或低级卤代烷氧基或卤素原子,而R.sup.1和R.sup.2可以相同或不同,代表氢原子或甲基基团。它们是制备
除草剂化合物的有用中间体。