114882-45-0 4-Nitrophenyl penta-N-acetylchitopentaoside 4-Nitrophenyl-N,N',N'',N''',N''''-pentaacetyl-beta-chitopentaoside Nnnnpbc Pnp-(glcnac)5 beta-D-Glucopyranoside, 4-nitrophenyl-O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1-4) O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1-4) O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1-4) O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1-4)-2-(acetylamino)-2-deoxy-