英文别名4-PREGNEN-20-BETA-OL-3-ONE; 20-BETA-HYDROXYPROGESTERONE; 20-BETA-HYDROXY-4-PREGNEN-3-ONE; (20r)-20-hydroxypregn-4-en-3-one; 20-beta-dihydroprogesterone; 20-beta-hydroxydihydroprogesterone; 20-beta-hydroxy-pregn-4-en-3-one; 20beta-Dihydroprogesterone; 4-pregnen-20B-ol-3-one; 4-PREGNEN-20-β-OL-3-ONE; 20(R)-Hydroxypregn-4-en-3-one 
