A compound of the formula: ##STR1## wherein R is a hydrogen atom or a lower alkoxy group, X and Y, being the same or different, are each a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, a carboxy(lower)alkoxy group or a lower alkoxycarbonyl(lower)alkoxy group and Z is a hydrogen atom or a halogen atom, which is useful as a herbicide.
一种化合物的公式为:##STR1## 其中R为氢原子或较低的烷氧基,X和Y相同或不同,分别为氢原子、卤素原子、较低的烷基、较低的烷氧基、羧基(较低)烷氧基或较低的烷氧羰基(较低)烷氧基,Z为氢原子或卤素原子,可用作
除草剂。