S-(2,3,4,6-tetra-O-acetylglucopyranosyl)-S'-(2,3,4,6-tetra-O--acetylgalactopyranosyl)disulfide S-oxide
s-(2,3,4,6-tetra-o-acetylglucopyranosyl)-s'-(2,3,4,6-tetra-o--acetylgalactopyranosyl)disulfide s-oxide