Also known as 3,3',4,4'-tetraminobiphenyl, biphenyl-3,3',4,4'-tetrayltetraamine, 3,3',4,4'-biphenyltetramine, 3,3',4,4'-tetraaminobiphenyl, (1,1'-biphenyl)-3,3',4,4'-tetramine, 3,3',4,4'-tetraaminodiphenyl,
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3,3′-Diaminobenzidine (DAB) is an organic compound with the formula (C6H3(NH2)2)2. This derivative of benzidine is a precursor to polybenzimidazole, which forms fibers that are renowned for their chemical and thermal stability. As its water-soluble tetrahydrochloride, DAB has been used in immunohistochemical staining of nucleic acids and proteins.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).