Showing structure for (1r,2z,4r,8r,9r,11s,12s)-12-hydroxy-1-methoxy-2,11-dimethyl-7-methylidene-6-oxo-5,14-dioxatricyclo[9.2.1.0⁴,⁸]tetradec-2-en-9-yl 2-methylpropanoate