The invention relates to certain 3-isoxazolyl-or 3-thiadiazol-2-imidazolidinone derivatives, namely 3-(5- or 3- substituted-3- or 5-isozazolyl)-or 3-(5-substituted-thiadiazol)-1-substituted-4- or 5-amino substituted -2-imidazolidinones and the use thereof for preemergence or postemergencecon- trol of noxious plants, i.e., weeds.
                            本发明涉及某些 3-
异噁唑基-或 3-
噻二唑-
2-咪唑啉酮衍
生物,即 3-(5-或 3-取代的-3-或 5-
异噁唑基)-或 3-(5-取代的-
噻二唑)-1-取代的-4-或 5-
氨基取代的-
2-咪唑啉酮,并用其对有害植物(即杂草)进行出苗前或出苗后控制。