unlike these retro steroid 5beta,9beta,10alpha-androstan-3-ones , the natural steroids 17beta-hydroxy-5alpha,9alpha,10beta-androstan-3-one and 5alpha,9alpha,10beta-androstane-3,17-dione gave the corresponding 3alpha ( axial,3r ) -hydroxy compounds .
C0038317
steroids
C0002854
androstane