噁嗪草酮是一种新型水稻田除草剂,以间二氯苄胺和苯乙酸乙酯为起始原料制得,对稗草有特效,在 整个生长季节,防除稗草仅用一次药即可。文中简要介绍了(?)嗪草酮的性质、专利、作用机理、应用、合成方法以及 制备过程等。 Oxymethoxam is a new type of rice field herbicide, which is prepared from m-dichlorobenzylamine and ethyl phenylacetate as starting materials and has special effects on barnyardgrass. In the entire growth season, can. In this paper, the properties, patents, mechanism of action, application, synthesis method and preparation process of (?) Metribuzin are briefly introduced.