Showing structure for methyl 1,8-dihydroxy-5-isopropyl-8,12-dimethyl-11-{[3-(1-methylimidazol-4-yl)prop-2-enoyl]oxy}-15-oxatricyclo[10.2.1.0⁴,⁹]pentadeca-2,6,13-triene-2-carboxylate