Showing structure for methyl (1s,2r,3s,7s,8s,9s,10s,11r)-9-[(2s)-butan-2-yloxy]-1-(chloromethyl)-2-hydroxy-8-{[(2e)-2-(hydroxymethyl)but-2-enoyl]oxy}-6-methylidene-5-oxo-4,14-dioxatricyclo[9.2.1.0³,⁷]tetradecane-10-carboxylate