Purity:99%min
9 9-BIS(4-AMINOPHENYL)FLUORENE CAS 15499-84-0
HPLC 99.5%min
9 9-BIS(4-AMINO-3-FLUOROPHENYL)FLUORENE CAS 127926-65-2
HPLC:≥99.9%
4 4'-(Hexafluoroisopropylidene)diphthalic anhydride CAS 1107-00-2 6FDA
HPLC：≥99.9%
2 2'-Bis(trifluoromethyl)benzidine CAS 341-58-2
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