119903-55-8 CP 6-AP Capsular polysaccharide type 6, actinobacillus pleuropneumoniae alpha-D-Galactopyranoside, 1-(((2-(acetylamino)-3-O-(2-(acetylamino)-2-deoxy-alpha-D-glucopyranosyl)-2-deoxy-beta-D-galactopyranosyl)oxy)methyl)-2-(phosphonooxy)ethyl-2-(acetylamino)-2-deoxy-