英文名称:(11Β,16Α)-16,17-[Butylidenebis(Oxy)]-11,21-Dihydroxypregna-1,4,14-Triene-3,20-Dione; Budesonide Impurity E; 14,15-Dehydro Budesonide; Budesonide Impurity 5(Budesonide Ep Impurity E); 16Α,17-[(1Rs)-Butylidenebis(Oxy)]-11Β,21-Dihydroxypregna-1,4,14-Triene-3,20-Dione; (1R,4R,8S,9S,11S,12S,13R)-11-Hydroxy-8-(2-Hydroxyacetyl)-9,13-Dimethyl-6-Propyl-5,7-Dioxapentacyclo[10.8.0.02,9.04,8.013,18]Icosa-2,14,17-Trien-16-One; Budesonide Impurity F (14,15 Dehydro Budes.); Budesonide Ep Impurity E (14,15-Dehydro Budesonide); Budesonide Ep Impurity E