structural studies on the o-specific polysaccharide of citrobacter pcm 1487 lipopolysaccharide , using methylation analysis , smith degradation and 1h-nmr spectroscopy , indicate that it consists of the trisaccharide repeating units ( formula , see text ) in this structure , 4-deoxy-d-arahex stands for 4-deoxy-d-arabino-hexose .
C0069180
o-specific polysaccharide
C0023810
lipopolysaccharide