Showing structure for (1s,2s,3r,4r,7r,8r,11s,14r,17s)-14-hydroxy-4,8,11-trimethyl-15-methylidene-9-oxo-10,18-dioxatetracyclo[9.7.0.0²,⁷.0³,¹⁷]octadecan-4-yl butanoate