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C30H28Br2O2
Exact Mass: 578.05
Mol. Wt.: 580.35
m/e: 580.04 (100.0%), 578.05 (51.4%), 582.04 (48.6%), 581.05 (33.9%), 579.05 (17.4%), 583.04 (16.2%), 582.05 (5.9%), 580.05 (3.0%), 584.05 (2.9%)
C, 62.09; H, 4.86; Br, 27.54; O, 5.51
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