the testosterone analogs were identified as 4-androstene-3,17-dione ( vii ) , 17 beta-hydroxy-5 alpha-androstane-3,6-dione ( viii ) , 14-hydroxy-4-androstene-3,17-dione ( ix ) and 14 , 17 beta-dihydroxy-4-androsten-3-one ( x ) .
C0039601
testosterone
C0002854
androstane