Showing structure for (2r,7ar)-4,4,7a-trimethyl-2-[(2e,4e,6e,8e,10e,12e,14e,16e)-6,11,15-trimethyl-17-(2,6,6-trimethylcyclohex-1-en-1-yl)heptadeca-2,4,6,8,10,12,14,16-octaen-2-yl]-2,5,6,7-tetrahydro-1-benzofuran