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math, physics, and chemistry
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To Seoul soon
dicry
白色固体。熔点127~128℃。不溶于水,溶于丙酮、二甲基甲酰胺、二甲苯等有机溶剂中。大鼠急性经口ld503160mg/kg。制剂有乳油和可湿性粉剂。芽后除草剂。由3,4-二氯苯胺与α-甲基丙酰氯反应生成。用于棉花、草皮除草,用量为1~3kg/ha。