6192-83-2 NSC124748 Pregn-5-en-20-one, 3-(acetyloxy)-, 2-(aminocarbonyl)hydrazone, (3.beta.)- Pregn-5-en-20-one, 3-(acetyloxy)-, 20-[(aminocarbonyl)hydrazone], (3.beta.)- Pregn-5-en-20-one, 3.beta.-hydroxy-, semicarbazone, acetate Pregnenolone acetate semicarbazone