英文名称
(11b,17Z)-20-(Acetyloxy)-11-hydroxy-3-oxopregna-1,4,17(20)-trien-21-al
Standards; Pharmaceutical/API Drug Impurities/Metabolites;
(11β,17Z)-20-(Acetyloxy)-11-hydroxy-3-oxopregna-1,4,17(20)-trien-21-al, is an impurity of Prednisolone (P703740), a synthetic corticosteroid; metabolically interconvertible with prednisone. Hydrocortisone EP Impurity A.