2 7 dibromo fluorene July 8, 2019 16 32 64 128 2 7-dibromo fluorene 2 7 dibromo 9h fluorene 2 7 dibromo-9-9-dimethyl 9h-fluorene 2 7 dibromo 9 9 dioctyl 9h fluorene 2 7 dibromo 9 9 dihexyl 9h fluorene 2 7-dibromo-9 9-bis(6-bromohexyl)fluorene 2 7-dibromopyrene 2 2-dibromo-3-fluorobutane
