b-D-Glucopyranoside,6-[[2-O-acetyl-6-deoxy-3-O-[3-(3-hydroxy-4-methoxyphenyl)-1-oxo-2-propenyl]-a-L-mannopyranosyl]oxy]-1a,1b,2,5a,6,6a-hexahydro-1a-(hydroxymethyl)oxireno[4,5]cyclopenta[1,2-c]pyran-2-yl,[1aS-[1aa,1bb,2b,5ab,6b(E),6aa]]-