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4,4'-DIFLUOROBENZOPHENONE CAS345-92-6Can make optical recording and electric imaging agent and charge control agent of record material, also can make some polymerization initiator, is many copolymer monomer material
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2-ETHOXYBENZOIC ACID CAS134-11-2Used in pharmaceutical intermediates, organic synthesis
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Ethylenediaminetetraacetic acid calcium disodium salt hydrate CAS23411-34-9Chelating agent; Preservatives; Antioxidants (by chelation prevent oxidation)