(3s,8s,9s,10r,13r,14s,17r)-17-[(e,2r)-6-hydroxy-6-methylhept-4-en-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1h-cyclopenta[a]phenanthren-3-ol