886456-80-0

SPIRO-PYE 2,7-Di(pyren-1-yl)-9,9'-spirobi[fluorene 2,7-Di-1-pyrenyl-9,9'-spirobi[9H-fluorene] 9,9'-Spirobi[9H-fluorene], 2',7'-di-1-pyrenyl- Spiro-Pye , 2,7-Di-pyrenyl-9,9-spiro-bifluorene 2,7-Di(1-pyrenyl)-9,9'-spirobi[9<i>H</i>-fluorene]