13007-32-4 141183-96-2 150373-82-3 22981-69-7 60979-01-3 D-Glucose, O-beta-D-galactopyranosyl-(1-4)-O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1-3)-O-beta-D-galactopyranosyl-(1-4)- Lacto-N-tetraose lacto-N-neotetraose