(R)-4-((3R,5R,8R,9S,10S,13R,14S,17R)-3-((tert-butyldimethylsilyl)oxy)-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid

5α,8α-pregnane-3,20-dione

3α-acetyl-23,24-dinor-5β-cholan-22-al

(-)-3β-hydroxy-D-homo-18-nor-5α-androst-13(17a)-en-17-one