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Catsyn? 4,4',4",4"'-(Pyrene-1,3,6,8-tetrayl)tetrakis(2-aminobenzoic acid) | CAS 2225888-66-2?? ?? ??? ?????. ? ??? C44H30N4O8??, ???? 742.73g/mol??, ??? ????? NLT 98%???.