2-Propenoicacid, 3-phenyl-, 4-formyl-1-(b-D-glucopyranosyloxy)-1,4a,5,6,7,7a-hexahydro-7-hydroxy-7-methylcyclopenta[c]pyran-6-ylester, [1S-[1a,4aa,6a(E),7a,7aa]]-