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Catsyn? 2,7-Bibromospiro[fluorene-9,9'-xanthene] | CAS 198142-65-3?? ?? ??? ?????. ? ??? C25H14Br2O??, ???? 490.19g/mol??, ??? ????? NLT 98%???.
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9,9-Didecyl-2,7-dibromofluorene
3'-Bromospiro[fluorene-9,9'-xanthene]
2-Bromo-9-fluorenone