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(2R)-2-[[(6R)-1-(Methoxycarbonyl)-1-O-allyl-3-O,4-O-carbonyl-2-deoxy-alpha-D-galactopyranose-6-yl]methoxy]-4beta,5beta-[carbonylbis(oxy)]-6beta-[(4R)-2-oxo-1,3-dioxolane-4-yl]tetrahydro-2H-pyran-2beta-carboxylic acid methyl ester


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