“benzoylpyrazolone herbicides”的概念、定义、翻译、参考文献-科学参考

单词	benzoylpyrazolone herbicides
释义	benzoylpyrazolone herbicides Encyclopedia 农学苯甲酰吡唑酮类除草剂释 benzoylpyrazolone herbicides苯甲酰吡唑酮类除草剂一种对羟基苯基丙酮酸双氧化酶类抑制剂。结构通式中R部分为脂肪链；R1、R3为拉电子基团，如NO2、CF3、SO2Me、Cl等活性较好，当R3为强拉电子基团时，R1为甲基，也具有很好的活性；R2部分可为H、卤代烷氧烷基、或者含有氧、氮、酰胺等杂原子或基团的链状、环状取代基。
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