| abstract |
A compound of the formula: <IMAGE> 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. |