2(5H)-Furanone, 5-methoxy-5-methyl-4-01,8,9-tris(acetyloxy)-7-0(O-beta-D-glucopyranosyl-(1->4)-O-6-deoxy-3-O-methyl-alpha-L-talopyranosyl-(1->4)-2,6-dideoxy-3-O-methyl-alpha-L-lyxo-hexopyranosyl-oxy)-1,2,3,4,4a,4b,5,8,8a,9,10,10a-dodecah