Synonyms: Hexadecanoicacid, 11-[[O-6-deoxy-4-O-(1-oxododecyl)-a-L-mannopyranosyl-(1®4)-O-6-deoxy-2-O-(1-oxododecyl)-a-L-mannopyranosyl-(1®4)-O-6-deoxy-a-L-mannopyranosyl-(1®2)-6-deoxy-b-D-galactopyranosyl]oxy]-,intramol. 1,3''-ester, (S)-;2,6-Methano-4H,8H,21H-pyrano[3,2-d][1,3,6,18]tetraoxacycloheneicosin,hexadecanoic acid deriv.; Operculin XI