Showing structure for (5s)-5-[(1e)-2-[(3s,4ar,6ar,8r,10as,10br)-8-hydroxy-3,4a,7,7,10a-pentamethyl-octahydro-1h-naphtho[2,1-b]pyran-3-yl]ethenyl]-5-methoxy-4-methylfuran-2-one