Showing structure for (1s,2s,4s,5r,8r,9s,10r,13r,15r)-8-[(2s,3r)-2,3-dimethyloxirane-2-carbonyloxy]-10,15-dihydroxy-5-(methoxycarbonyl)-5,9-dimethyl-14-methylidenetetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecan-2-yl (2s,3r)-2,3-dimethyloxirane-2-carboxylate