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介绍了合成拟除虫菊酯类杀虫剂的主要中间体之一——二氯菊酸的各种手性体的分离、拆分，并由此合成了创制农药——特效绿仙菊酯。
The separation and separation of various chiral chrysanthemic acids, one of the main intermediates of synthetic pyrethroid insecticides, were introduced. And the pesticide-effect daisythrin was synthesized.