examination of a variety of steroidal contraceptives as modulators of the dehydrogenase indicates that ethinylestradiol is a very poor inhibitor ( ic50 = 100 microm ) , while 6-medroxyprogesterone acetate ( provera ) is an extremely potent inhibitor ( ic50 = 0.2 microm ) .
C0065864
medroxyprogesterone acetate
C0699702
provera