Synonyms: 4-O-Acetyl-3,6-di-O-(3,4,6-tri-O-acetyl--D-mannopyranosyl-ethylidyne)-1,2-O-ethylidene--D-mannopyranose;O-3,4,6-Tri-O-acetyl--D-mannopyranosylethylidyne-(1-23)-O-[3,4,6-tri-O-acetyl--D-mannopyranosylethylidyne-(1-26)]-1,2-O-ethylidene--D-mannopyranose Acetate