N-Phenyl-Δ'-tetrahydrophthalimides having a substituted oxy group at 3-position and a halogen atom at 4-position if necessary, a halogen atom at 2-position of phenyl group have excellent herbicidal activity and are useful as selective herbicides.
                            N-苯基-Δ'-四氢邻苯二甲
酰亚胺具有优异的除草活性,可用作选择性
除草剂,其苯基 3 位有一个取代的氧原子,必要时 4 位有一个卤素原子,2 位有一个卤素原子。