英文别名Androsta-1,4-diene-3,17-dione, 11-hydroxy-16-(1-oxobutoxy)-, (11β,16α); Androstandionic Impurity(11-Hydroxy, 16n-butanoyloxyandrostan-1,4-diene-3,17dione); Budesonide Impurity 17; Androstandionic Impurity 1; Androstandionic Impurity; 11β,16α-Dihydroxyandrosta-1,4-diene-3,17-dione 16-Butyrate 
