119330-13-1 4,6-Ethylidene-4-nitrophenyl maltoheptaoside Enp maltoheptaoside alpha-D-Glucopyranoside, 4-nitrophenyl O-4,6-O-ethylidene-alpha-D-glucopyranosyl-(1-4)-O-alpha-D-glucopyranosyl-(1-4)-O-alpha-D-glucopyranosyl-(1-4)-O-alpha-D-glucopyranosyl-(1-4)-O-alpha-D-glucopyranosyl-(1-4)-