英文别名21-Acetyloxy-11β-hydroxypregna-1,4,16-triene-3,20-dione; 21-acetoxy-11β-hydroxypregna-1,4,16-triene-3,20-dione; Pregna-1,4,16-triene-3,20-dione,21-(acetyloxy)-11-hydroxy-, (11b)-; [2-[(8S,9S,10R,11S,13S,14S)-11-Hydroxy-10,13-Dimethyl-3-Oxo-6,7,8,9,11,12,14,15-Octahydrocyclopenta[a]Phenanthren-17-Yl]-2-Oxoethyl] Acetate; 21-Acetoxy-112-hydroxypregna-1,4,16-triene-3,20-dione; Budesonide 1,4,16-Triene Impurity; Budesonide Impurity 3/(11?)-21-(Acetyloxy)-11-hydroxypregna-1,4,16-triene-3,20-dione; (11|A)-11-hydroxy-3,20-dioxopregna-1,4,16-trien-21-yl acetate; Budesonide Impurity 32