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(3S)-2-Fluoro-4beta-(2-O,3-O,4-O-triacetyl-6-O,7-O-carbonyl-beta-L-glycero-D-manno-heptopyranosyl)-6beta-[(S)-1,2-diacetoxyethyl]tetrahydro-2H-pyran-3beta,5alpha-diol diacetate


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