Synonyms: Glucopyranose,2-acetamido-4-O-(2-acetamido-2-deoxy-b-D-glucopyranosyl)-2-deoxy-,1,3,3',4',6,6'-hexaacetate, a-D- (8CI); Glucopyranose, 2-acetamido-4-O-(2-acetamido-2-deoxy-b-D-glucopyranosyl)-2-deoxy-,hexaacetate (7CI); Chitobiose octaacetate; Octaacetylchitobiose