exposure of brain sections in vitro to the potent , naturally occurring progesterone metabolite , 3 alpha-hydroxy-5 alpha-dihydroprogesterone , induced gaba-dependent changes in flunitrazepam binding , similar to the changes induced by progesterone , thus suggesting that different steroid mechanisms are implicated in the control of flunitrazepam binding .
C0012311
dihydroprogesterone
C0033308
progesterone