17-beta-Hydroxy-9-beta,10-alpha-androst-4-en-3-one 571-41-5 9-beta,10-alpha-Androst-4-en-3-one, 17-beta-hydroxy- 9-beta,10-alpha-Testosterone 9beta,10alpha-Testosterone Androst-4-en-3-one, 17-hydroxy-, (9-beta,10-alpha,17-beta)- (9CI) Lumitestosterone NSC 523833 Retrosterone Retrotestosterone