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2,3-diaminonaphthalene CAS771-97-1Used in organic synthesis, and the determination of selenium reagent
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2,4-DICHLOROPHENYLBORONIC ACID CAS68716-47-2Containing boronic acid series; fluorobenzene;
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2,4-DICHLOROPHENYLHYDRAZINE HYDROCHLORIDE CAS5446-18-4Used in medicine and dye intermediates