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4-Chlorophenylhydrazine Hydrochloride CAS1073-70-7Used as intermediates in organic synthesis
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Citraconic anhydride CAS616-02-4Ning kang anhydride (2 - methyl butylene anhydride) is a medicine, pesticide, surfactant and the important intermediate of chemical products such as synthetic resin.
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1,3-Dimethyl-2-imidazolidinone CAS80-73-9Used as pharmaceutical intermediates, important organic solvents