(4R)-Methyl 4-((3S,9S,10R,13R,14S,17R)-10,13-Dimethyl-7-oxo-3-((tetrahydro-2H-pyran-2-yl)oxy)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate