.alpha.-D-Glucopyranose, 4-O-(2,3,4,6-tetra-O-acetyl-.beta.-D-glucopyranosyl)-, tetraacetate 5346-90-7 Cellobiose, octaacetate, .alpha.- Cellobiose, octaacetate, .alpha.-D- NSC1696 Octaacetyl-.alpha.-cellobiose