66198-45-6 Dol-PP-TS Dolichol pyrophosphate man(1-4)-glcnac(1-4)glcnac Dolichyl pyrophosphate trisaccharide alpha-D-Glucopyranose, O-beta-D-mannopyranosyl-(1-4)-O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1-4)-2-(acetylamino)-2-deoxy-, 1-ester with dolichol (trihydrogen diphosphate)