b-D-Glucopyranoside,1a,1b,2,5a,6,6a-hexahydro-5a-hydroxy-1a-methyloxireno[4,5]cyclopenta[1,2-c]pyran-2-zyl,2-[3-(4-hydroxyphenyl)-2-propenoate], [1aR-[1aa,1bb,2b(Z),5ab,6aa]]-