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Catsyn? 2-Bromo-7,7-dimethyl-5-phenyl-5,7-dihydroindeno[2,1-B]carbazole | CAS 1257220-44-2?? ?? ??? ?????. ? ??? C27H20BrN??, ???? 438.36g/mol??, ??? ????? NLT 98%???.