Pregnenolone CarbonitrilePregnenoloneEstranesNitrilesNorandrostanesPyrimidines17-alpha-HydroxypregnenoloneCholesterol Side-Chain Cleavage EnzymeDehydroepiandrosteronePregnanolonePregnanesPregnenesSteroidsProgesterone Reductase3-Hydroxysteroid DehydrogenasesProgesteroneHydroxysteroidsAdrenal CortexSteroid 17-alpha-HydroxylaseAdrenodoxin5-alpha-DihydroprogesteroneAdrenal GlandsHydroxyprogesteronesHydroxycholesterols20-alpha-DihydroprogesteroneDehydroepiandrosterone SulfateAndrostenedioneDiazepam Binding InhibitorAminoglutethimide17-alpha-HydroxyprogesteroneCytochrome P-450 Enzyme System