Molecular Formula

Benzonitrile, 4,4',4'',4'''-(9,9'-spirobi[9H-fluorene]-2,2',7,7'-tetrayl)tetrakis-

CAS:850445-16-8

Formula:C53H28N4

Benzonitrile, 3,3',3'',3'''-(9,9'-spirobi[9H-fluorene]-2,2',7,7'-tetrayl)tetrakis-

CAS:850445-19-1

Formula:C53H28N4

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