.alpha.-D-Glucopyranoside, 1,3,4,6-tetra-O-methyl-.beta.-D-fructofuranosyl 2,3,4,6-tetra-O-methyl- 5346-73-6 Glucopyranoside, 1,3,4,6-tetra-O-methyl-.beta.-D-fructofuranosyl 2,3,4,6-tetra-O-methyl-, .alpha.-D- NSC1668 Octa-O-methylsucrose