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1,3,3,5-tetramethyl-6-nitro-indoline spirobenzopyrans CAS16331-97-8Optoelectronic Materials
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N-(3-Sulfopropyl)-3,3',5,5'-tetramethylbenzidine sodium salt CAS102062-46-4A water-soluble analogue of TMB, for the detection of hydrogen peroxide and peroxidase activity, colorless aqueous solution in the presence of hydrogen peroxide or peroxidase into blue and green