Showing structure for 3-[(1s,4r,5r,8s,9s,12s,13r)-13-ethyl-5-[(2r,4e)-6-hydroxy-6-methylhept-4-en-2-yl]-4,8-dimethyltetracyclo[7.5.0.0¹,¹³.0⁴,⁸]tetradecan-12-yl]but-3-enoic acid