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苯甲酰吡唑酮类除草剂
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苯甲酰吡唑酮类除草剂
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苯甲酰吡唑酮类除草剂
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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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resiode
resisitively and capacitively shunted juntion model
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resistance
resistance againgst the "Honest Words" pamphlet
Resistance Against Japan around the Great Wall
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