a majority of the progesterone substrate was not metabolized by the testicular fragments ( 80.1 % ) , while some conversion to 17-hydroxyprogesterone ( 3.4 % ) , androstenedione ( 4.8 % ) , and testosterone ( 11.7 % ) occurred in the incubates .
C0033308
progesterone
C0020387
17-hydroxyprogesterone