17-(ethylenedioxy)-2-oxa-6α-mesyloxy-Δ4-androsten-3-one

(3β)-3-[[(methyloxy)methyl]oxy]androst-5-ene-7,17-dione, cyclic 17-(1,2-ethanediyl acetal)

(3β,5α)-3-[[(methyloxy)methyl]oxy]androstane-7,17-dione, cyclic 17-(1,2-ethanediyl acetal)

(5α,7β)-7-(benzyloxy)androstane-3,17-dione

(3α,5α,7β)-7-(benzyloxy)-3-hydroxyandrostan-17-one