(2S,3R,4R,5S)-2-[(3S,8S,9S,10R,13S,14S,17R)-10,13-Dimethyl-3-(tetrahydro-pyran-2-yloxy)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-5,6-dimethyl-heptane-3,4-diol

(2R,3S)-2-benzyloxy-3,4-dimethyl-1-pentanal

(2R,3S)-2-benzyloxy-3,4-dimethyl-1-pentanol