[(3s,8s,9s,10r,13r,14s,17r)-10,13-dimethyl-17-[(2r)-6-methylheptan-2-yl]-2,3,6,7,8,9,11,12,14,15,16,17-dodecahydro-1h-cyclopenta[a]phenanthren-3-yl] Acetate