Cyclopenta(c)pyran-4-carboxylic acid, 1,4a,5,6,7,7a-hexahydro-7-hydroxy-1-((2-O-(5-O-(4-hydroxybenzoyl)-D-apio-beta-D-furanosyl)-beta-D-glucopyranosyl)oxy)-7-methyl-, (1S-(1alpha,4aalpha,7alpha,7aalpha))-