beta-D-Glucopyranoside, 6-((2,4-di-O-acetyl-6-deoxy-3-O-(1-oxo-3-phenyl-2-propenyl)-alpha-L-mannopyranosyl)oxy)-1a,1b,2,5a,6,6a-hexahydro-1a-(hydroxymethyl)oxireno(4,5)cyclopenta(1,2-c)pyran-2-yl, (1aS-(1aalpha,1bbeta,2beta,5abeta,6beta(E),6 ))