Showing structure for 4,7-dihydroxy-6-[(3-hydroxy-4,6-dimethyloctanoyl)oxy]-1-{4-[(1-hydroxyethylidene)amino]-5-methyl-3-methylidene-6-phenylhexyl}-2,8-dioxabicyclo[3.2.1]octane-3,4,5-tricarboxylic acid