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Name the molecular formula for the molecule established as (2S,3R)-2-amino-9-(12-amino-2,2-difluoro-10-methyl-3-aza-1-azonia-2-boranuidatricyclo[7.3.0.03,7]dodeca-1(12),4,6,8,10-pentaen-4-yl)non-4-ene-1,3-diol using the IUPAC nomenclature.
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C19H27BF2N4O2
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