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2-BUTENE-1,4-DIOL CAS821-11-4Mainly used for preparing the pesticides, agricultural chemicals and the intermediate of vitamin B6, a small amount is used for polymer production.
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4,5-BIS(DIPHENYLPHOSPHINO)-9,9-DIMETHYLXANTHENE CAS161265-03-8As the ligand, for Buchwald, Suzuki coupling reaction