the o-specific polysaccharide of the 0114 antigen ( lipopolysaccharide ) of escherichia coli 0114 and oligosaccharides obtained from it by smith degradation and hydrogen fluoride solvolysis were analyzed , using proton and 13c nuclear magnetic resonance spectroscopy and methylation .
C0069180
o-specific polysaccharide
C0023810
lipopolysaccharide