Showing structure for methyl 5-(furan-3-yl)-1,12-dihydroxy-4,14,14,18-tetramethyl-19-methylidene-7-oxo-13-[(3-phenylprop-2-enoyl)oxy]-6,10,17-trioxapentacyclo[9.6.1.1²,⁹.0⁴,⁹.0¹⁵,¹⁸]nonadecane-16-carboxylate