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2,3-DIHYDROXYNAPHTHALENE CAS92-44-4Used as a dye, pharmaceutical intermediates, dye and so on.
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2,4-DICHLOROPHENYLHYDRAZINE HYDROCHLORIDE CAS5446-18-4Used in medicine and dye intermediates
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2,6-DIISOPROPYLANILINE CAS24544-04-52, 6 - diisopropyl aniline is acaricide butyl ether urea intermediate.