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Bis(trifluoromethane)sulfonimide CAS82113-65-3Strong acid, used in the preparation of high efficient lewis acid catalysts
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N,O-BIS(TRIMETHYLSILYL)TRIFLUOROACETAMIDE CAS25561-30-2Pharmaceutical intermediates, neutral silicane protective agent, mainly used in the synthesis of cephalosporin antibiotics
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(S)-(+)-3-CHLORO-1,2-PROPANEDIOL CAS60827-45-4Used in synthesis of chiral reagent and medicine intermediate