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9,9-Dioctyl-2,7-dibromofluorene CAS198964-46-4Intermediates of polymer light-emitting diodes (leds)
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DIBENZOFURAN CAS132-64-9Used in medicine, disinfectants, preservatives, dye; Raw material of synthetic resin and high temperature lubricants, etc
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4-Fluoro-7-nitrobenzofurazan CAS29270-56-2Commonly used in amino acids and ammonia compounds in HPLC analysis of fluorescent.