the phenol-soluble lipopolysaccharide , isolated from commercial vaccine strain b. abortus 19-ba , on mild hydrolysis afforded material , 13c and 1h-nmr spectra of which were identical to those of the o-specific polysaccharide from b. melitensis 565 .
C0023810
lipopolysaccharide
C0069180
o-specific polysaccharide