英文别名1,4-PREGNADIEN-11-BETA, 17,21-TRIOL-3,20-DIONE 11,21-DIACETATE; Prednisolone 11,21-Diacetate Impurity; PREDNISOLONE 11,21 DIACETATE; 17-Hydroxy-11β,21-bis(acetyloxy)pregna-1,4-diene-3,20-dione; 17-Hydroxy-11β,21-diacetoxypregna-1,4-diene-3,20-dione; Prednisolone Acetate EP Impurity C; Pregna-1,4-diene-3,20-dione, 11,21-bis(acetyloxy)-17-hydroxy-, (11β)-; Prednisolone Acetate EP Impurity C (Prednisolone Diacetate); PREDNISOLONE DIACETATE; Pregna-1,4-diene-3,20-dione, 11β,17,21-trihydroxy-, 11,21-diacetate 
