羟基孕甾烯醇酮;11-a-羟基孕(甾)-4-烯-3,20-二酮及其酯类; 11alpha-hydroxyprogesterone;HYDROXYPROGESTERONE,11A;DG 322B;11A-HYDROXYPROGESTERONE;EINECS 201-306-9;4-PREGNEN-11A-OL-3,20-DIONE;MFCD00003652;Progesterone,11alpha-hydroxy;U 0384;11-a-Hydroxypregn-4-ene-3,20-dione and its esters