Synonyms: 4-bromo-9,9'-spirobi[fluorene]; 1161009-88-6; 4-bromo-9,9\'-spirobi[fluorene]; MFCD16660920; AKOS027250650; ZINC204141615; AC-28783; DS-19126; SC-95905; 4-BROMO-9,9-SPIROBI[9H-FLUORENE; DB-060849; FT-0770067; 4-bromo-9,9'-Spirobi[9H-fluorene]; B5031; 4-Bromo-9,9'-spirobifluorene; 4-DroMo-9,9'-spirobifluorene; 4-bromo-9,9'-Spirobi[9H-fluorene; AK542370; SCHEMBL10053123; KS-00000YWS; GQXFSXMUBDPXBG-UHFFFAOYSA-N;