(2R,3S)-2-Methoxymethoxy-3-((3S,8S,9S,10R,13S,14S,17R)-3-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

(22R,23R)-22,23-isopropylidenedioxy-6-oxo-24-nor-5α-cholest-2-ene

(22R,23R)-22,23-isopropylidenedioxy-3β-methanesulphonyloxy-24-nor-5α-cholestan-6-one

ethyl (22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-5α-cholan-24-oate

(22R,23S)-6,6-ethylenedioxy-2α,3α,22,23-bis(isopropylidenedioxy)-25,26-bisnor-5α-ergostan-24-ol