(2-bromo-9,9'-spirobi[fluoren]-7-yl)boronic acid(2-bromo-9,9'-spirobi[fluoren]-7-yl)boronic acidChemical Formula: C25H16BBrO2Exact Mass: 438.0427Molecular Weight: 439.1150m/z: 438.0427 (100.0%), 440.0406 (97.3%), 439.0460 (27.0%), 441.0440 (26.3%), 437.0463 (24.8%), 439.0443 (24.2%), 438.0497 (6.7%), 440.0476 (6.5%), 440.0494 (3.5%), 442.0473 (3.4%)Elemental Analysis: C, 68.38; H, 3.67; B, 2.46; Br, 18.20; O, 7.29
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