the o-specific polysaccharide chain of the pseudomonas aurantiaca imv 31 lipopolysaccharide contains n-acetyl-l-fucosamine ( fucnac ) and di-n-acetyl-d-bacillosamine ( 2,4-diacetamido-2,4,6-trideoxyglucose , bac ( nac ) 2 ) in the ratio 2:1 .
C0069180
o-specific polysaccharide
C0023810
lipopolysaccharide