| 摘要 |
A compound of the formula: <IMAGE> wherein R is a hydrogen atom, a C1-C4 alkoxy group, a C1-C4 alkenyloxy group, a C3-C4 alkynyloxy group, a C1-C4 alkylthio group, a dichlorocyclopropylmethoxy group or a methyldichlorocyclopropylmethoxy group, X is a chlorine atom or a bromine atom and Y is a hydrogen atom, a fluorine atom or a chlorine atom, which is useful as a herbicide. |
