Showing structure for (1e,3as,3bs,5s,5ar,7s,9as,11as)-9a,11a-dimethyl-1-(6-methylhept-5-en-2-ylidene)-2h,3h,3ah,3bh,4h,5h,5ah,6h,7h,8h,9h,11h-cyclopenta[a]phenanthrene-5,7-diol