(2R, 3S, 22R, 23E)-6-ethylenedioxy-22-hydroxy-2,3-isopropylidenedioxy-24-methyl-5α-cholest-23-ene

(2R,3S,22R,23Z)-6,6-(Ethylenedioxy)-2,3-(isopropylidenedioxy)-28-(p-tolylsulfonyl)-(5α)-ergost-23-en-22-ol