Cyclopenta[c]pyran-4-carboxylicacid, 1-(b-D-glucopyranosyloxy)-1,4a,5,6,7,7a-hexahydro-6-hydroxy-5-[[3-(4-hydroxyphenyl)-1-oxo-2-propenyl]oxy]-7-methyl-,methyl ester, [1S-[1a,4aa,5a(E),6a,7a,7aa]]-