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. 2020 Jul 28;10:12608. doi: 10.1038/s41598-020-69476-z

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© This is a U.S. Government work and not under copyright protection in the US; foreign copyright protection may apply 2020

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Mass spectrum and fragmentation profile of 2,5 linked KDO labeled peak identified in reduced permethylated K15 polysaccharide. Carboxylate reduced permethylated K15 polysaccharide was hydrolyzed, converted to alditol acetates and analyzed by GC–MS.