16789-38-1 26676-92-6 83290-83-9 85881-95-4 D-Glucose, O-6-deoxy-alpha-L-galactopyranosyl-(1-4)-O-(O-6-deoxy-alpha-L-galactopyranosyl-(1-2)-beta-D-galactopyranosyl-(1-3))-O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1-3)-O-beta-D-galactopyranosyl-(1-4)- Lacto-N-difucohexaose I