124-85-6 17-Ethynylandrost-2-ene-17-ol-17-acetate 17-beta-Acetoxy-5-alpha,17-alpha-pregn-2-ene-20-yne 17beta-Acetoxy-5alpha,17alpha-pregn-2-ene-20-yne 5-alpha,17-alpha-Pregn-2-en-20-yn-17-ol, acetate NSC 69588 Pregn-2-en-20-yn-17-ol, acetate, (5-alpha,17-alpha)- Pregn-2-en-20-yn-17-ol, acetate, (5alpha,17alpha)- Regonyl TX 380