Showing structure for ethyl 3-{4,8-dimethyl-5-[1-(5-methyl-6-oxo-2,3-dihydropyran-2-yl)ethyl]-12-(prop-1-en-2-yl)tetracyclo[7.5.0.0¹,¹³.0⁴,⁸]tetradecan-13-yl}propanoate