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Catsyn? Benzoic acid, 4-[1,6,8-tris(4-carboxyphenyl)-9H-carbazol-3-YL]- | CAS 2097131-99-0?? ?? ??? ?????. ? ??? C40H25NO8??, ???? 647.63g/mol??, ??? ????? NLT 98%???.