Showing structure for (1s,3s,5r,6s,7r,8s,9s)-5-[(2r)-butan-2-yl]-5,8,9-trihydroxy-1,6-dimethyl-10-methylidene-13-oxo-4,14-dioxatricyclo[9.2.1.0³,⁷]tetradec-11-ene-6-carboxylic acid