b-D-Glucopyranoside,1a,1b,2,5a,6,6a-hexahydro-5a-hydroxy-6-[(6-hydroxy-2,6-dimethyl-1-oxo-2,7-octadienyl)oxy]-1a-methyloxireno[4,5]cyclopenta[1,2-c]pyran-2-yl,[1aR-[1aa,1bb,2b,5ab,6b(2E,6S*),6aa]]-