英文别名1,2-Dihydrobudesonide; Budesonide Impurity 7; (4aR,4bS,5S,6aS,6bS,9aR,10aS,10bS)-6b-Glycoloyl-5-hydroxy-4a,6a-dimethyl-8-propyl-3,4,4a,4b,5,6,6a,6b,9a,10,10a,10b,11,12-tetradecahydro-2H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-2-one; 1,2-Dehydrobudesonide; Budesonide EP Impurity G; 16α,17-[(1RS)-Butylidenebis(oxy)]-11β,21-dihydroxypregn-4-ene-3,20-dione 
