the 3-sulphate of the pregnanolone and the 3,20-disulphate of the pregnanediol were prepared directly form the free alcohols , while the 3-monosulphate of the pregnanediol was obtained via 5alpha- [ 3alpha,11,11,20beta-2h4 ] pregnane-3beta,20alpha-diol 20-acetate ( xvii ) .
C0033008
pregnanolone
C0033006
pregnane