17α-羟基孕甾-4-烯-3,11,20-三酮
17α-羟基孕甾-4-烯-3,11,20-三酮;孕甾-4-烯-17α-醇-3,11,20-三酮
17-Hydroxypregn-4-ene-3,11,20-trione;21-deoxycortisonecrystalline;4-PREGNEN-17-OL-3,11,20-TRIONE;4-PREGNEN-17-ALPHA-OL-3,11,20-TRIONE;17A-HYDROXY-4-PREGNEN-3,11,20-TRIONE;17-ALPHA-HYDROXY-4-PREGNENE-3,11,20-TRIONE;21-DEOXYCORTISONE;21-DESOXYCORTISONE