isotopic dilution analyses of the accumulated 3h were made for progesterone , 5alpha-dhp , 3alpha-hydroxy-5alpha-pregnan-20-one , 20alpha-dihydroprogesterone , 20alpha-hydroxy-5alpha-pregnan-3-one , and 5alpha-pregnane-3alpha , 20alpha-diol on samples from the 10 min groups .
C0033308
progesterone
C0012311
dihydroprogesterone