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Apolysaccharide of unknown structure was isolated, subjected to exhaustive methylation, and hydrolyzed. analysis of the products revealed three methylated sugars: 2,3,4-tri-o-methyl-d-glucose, 2,4-di-o-methyl-dglucose, and 2,3,4,6-tetra-o-methyl-d-glucose, in the ratio 20: 1: 1. what is the structure of the polysaccharide?
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