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2-Chloro-5-nitropyridine CAS4548-45-2used for manufacturing drugs and other fine chemicals
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2,4-DINITROBENZALDEHYDE CAS528-75-6In organic synthesis, photography, preparation of Schiff base (Schiff's bases).
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2,5-DIBROMONITROBENZENE CAS3460-18-2Fine chemical intermediates, also used as a flame retardant