.DELTA.'-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 as N-substituent have excellent herbicidal activity and are useful as selective herbicides.
具有取代氧基团的-Delta-四氢
酞酰亚胺类化合物,在3位和必要时4位有卤素原子,苯基的2位为N取代基有优良的除草活性,并可作为选择性
除草剂使用。