2β-Acetoxy-2α-ethinyl-A-nor-5α-androstan

(2R,8S,9S,10S,13S,14S)-2-Bromo-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-one

5α-androst-1-en-3-one

2.3-seco-5α-androstanedioic acid-(2.3)

Δ2-androstene