when testicular tissue was incubated with [ 1,2-3h ] progesterone and 17-hydroxy- [ 4-14c ] progesterone , there was synthesis of 17-hydroxy- [ 1,2-3h ] progesterone but no further metabolism of 17-hydroxyprogesterone to androgens .
C0033308
progesterone
C0020387
17-hydroxyprogesterone