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5-Nitrosalicylaldehyde CAS 97-51-8It is an intermediates for organic synthesis such as medicines, perfumes and dyes
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2-Nitrophenyl-beta-D-galactopyranoside CAS 369-07-3It is a colorimetric substrate for β-galactosidase.
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L-Leucine p-nitroanilide hydrochloride CAS 16010-98-3It is a biochemical reagent and organic intermediate