143502-17-4 2-(Acetylamino)-4-O-(2-(acetylamino)-2-deoxy-4-O-sulfogalactopyranosyl)-2-deoxyglucose D-Glucose, 2-(acetylamino)-4-O-(2-(acetylamino)-2-deoxy-4-O-sulfo-beta-D-galactopyranosyl)-2-deoxy- SO4-4-Galnac-1-4-glcnac SO4-4-Galnacbeta1,4GlcNAcbeta