Showing structure for (1s,4r,8s,9r,10r,12r)-10-hydroxy-4,8,10-trimethyl-9-{2-[(2r,3r)-2-methyl-3-{[(2z)-3-methyl-5-oxofuran-2-ylidene]methyl}oxiran-2-yl]ethyl}-2-oxatricyclo[6.3.1.0⁴,¹²]dodecan-3-one