Di-Norbudesonide
(Mixture of DiastereoMers);Budesonide EP Impurity B;16α,17-[(1RS)-ethylidenebis(oxy)]-11β,21-dihydroxypregna-1,4-diene-3,20-dione;Budesonide impurity B;XECSEFPWNHDQPG-XWCIIUPVSA-N;Budesonide EP Impurity B (D-Homo Budesonide (Mixture of Diastereomers));Budesonide Impurity 2(Budesonide EP Impurity B);Budesonide EP Impurity B (D-Homo Budesonide )