136198-41-9 2-(Acetylamino)-4-O-(2-(acetylamino)-2-deoxy-beta-D-galactopyranosyl)-2-deoxy-D-glucose 2-Acetamido-4-O-(2-acetamido-2-deoxygalactopyranosyl)-2-deoxyglucopyranose D-Glucose, 2-(acetylamino)-4-O-(2-(acetylamino)-2-deoxy-beta-D-galactopyranosyl)-2-deoxy- Galnac-1-4-glcnac Lacdinac N,N'-Diacetyllactosediamine N-Acetylgalactosaminyl-1-4-N-acetylglucosamine