(20S)-20-Methyl-21-(tetrahydro-2H-pyran-2-yl)oxy-5-pregnen-1α,3β-diol

(R)-3-((1S,3R,8S,9S,10R,13R,14S,17R)-1,3-Bis-methoxymethoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-butyraldehyde

1α,3β-bismethoxymethoxypregn-5-ene-20S-carbaldehyde