英文别名Pregna-1,4-diene-3,20-dione, 16,17-[butylidenebis(oxy)]-11-hydroxy-21-(1-oxobutoxy)-, (11β,16α); Pregna-1,4-diene-3,20-dione, 16,17-[butylidenebis(oxy)]-11-hydroxy-21-(1-oxobutoxy)-, (11β,16α)-; 2-((6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-7-hydroxy-6a,8a-dimethyl-4-oxo-10-propyl-1,2,4,6a,6b,7,8,8a,11a,12,12a,12b-dodecahydro-8bH-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-8b-yl)-2-oxoethyl butyrate; Budesonide 21-Butanoate; Budesonide EP Impurity 13; Budesonide Impurity 28 (Mixture of Diastereomers) 
