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Catsyn? 4,5-Diaza-9,9-spirobifluorene | CAS 171856-25-0?? ?? ??? ?????. ? ??? C23H14N2??, ???? 318.37g/mol??, ??? ????? NLT 98%???.
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N,N-bis(4-bromophenyl)-9,9-dimethyl-9H-fluoren-2-amine
2-Bromo-9,9-dimethylfluorene
3-Bromo-benzo[B]fluoren-11-one