the metabolites identified were as follows : the parent drug , monohydroxy tsaa-291 having the additional hydroxy function in the steroid skeleton , 17 beta-hydroxy-16 beta- ( 1 xi-hydroxyethyl ) -4-estren-3-one , 16 beta-ethyl-17 beta-hydroxy-5 beta-estran-3-one , 16 beta-ethyl-17 beta-hydroxy-5 alpha-estran-3-one , 16 beta-ethyl-5 beta-estrane-3 alpha , 17 beta-diol , 16 beta-ethyl-5 alpha-estrane-3 alpha , 17 beta-diol , 16 beta-ethyl-3 alpha-hydroxy-5 beta-estran-17-one and 16 beta-ethyl-3 alpha-hydroxy-5 alpha-estran-17-one .
C0038317
steroid
C0014924
estrane