after treatment with aqueous , 50 % hydrofluoric acid , a well-known dephosphorylating agent , the presence of 3-deoxy-d-manno-2-octulosonic acid ( kdo ) , an essential and characteristic constituent of endotoxins , can be readily demonstrated in reportedly kdo-deficient bacterial lipopolysaccharides .
C0014264
endotoxins
C0023810
lipopolysaccharides