英文别名(8S,9S,10R,11S,13S,14S,17S)-11-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one; Pregna-1,4-diene-3,20-dione, 11,21-dihydroxy-, (11beta)-; 17-Deoxyprednisolone; Prednisolone EP Impurity I; 1,2-Didehydrocorticosterone; 1-Dehydrocorticosterone; 11,21-Dihydroxypregna-1,4-diene-3,20-dione (11beta); 11β,21-Dihydroxy-pregn-1,4-diene-3,20-dione 
