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2,2,3,3-TETRAFLUORO-1,4-BUTANEDIOL CAS425-61-6Reactant for:Enzymic synthesis of silicone fluorinated aliphatic polyester amides
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2,7-Dibromo-9,9-dimethylfluorene CAS28320-32-3Pharmaceutical intermediates, also is important intermediates for the synthesis of photoelectric material