英文别名Budesonide 1,4,14-Triene Triol Impurity; Budesonide Impurity 39; Budesonide Impurity 47; Budesonide impurity E-1; Pregna-1,4,14-triene-3,20-dione, 21-(acetyloxy)-11,16,17-trihydroxy-, (11β,16α)-; 2-oxo-2-((8R,9S,10R,11S,13S,16R,17S)-11,16,17-trihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl)ethyl acetate 
