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在特定的催化剂条件下，以３，５，６－三氯吡啶－２－醇钠为原料，合成毒死蜱，确定了适宜的工艺条件，收率在９３％以上。
Under specific catalyst conditions, chlorpyrifos was synthesized by using sodium 3,5,6-trichloropyridin-2-ol as raw material, and the suitable technological conditions were determined. The yield was over 93%.