Budesonide Impurity B

(11β,16α)-16,17-[(1RS)-Ethylidenebis(oxo)]-11,21-dihydroxypregna-1,4-diene-3,20-dione;|(4aR,4bS,5S,6aS,6bS,9aR,10aS,10bS)-6b-Glcoloyl-5-hydroxy-4a,6a,8-trimethyl-4a,4b,5,6,6a,6b,9a,10,10a,10b,11,12-dodcahydro-2H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-2-one|16?,17-[(1RS)-Ethylidenebis(oxy)]-11?,21-dihydroxypregna-1,4-diene-3,20-dione ;|16a,17-[(1RS)-ethylidenebis(oxy)]-11b,21-dihydroxypregna-1,4-diene-3, 20-dione|16a,17-[(1RS)-ethylidenebis(oxy)]-11ß,21-dihydroxypregna-1,4-diene-3,20-dione|16α,17-[(1RS)-Ethylidenebis(oxy)]-11β,21-dihydroxypregna-1,4-diene-3,20-dione|17-[(1RS)-Ethylidenebis(oxy)]-11β|21-dihydroxypregna-1,4-diene-3,20-dione;|Budesonide EP Impurity B (Mixture of Diastereomers)|D-Homobudesonide|Di-Norbudesonide (Mixture of Diastereomers)Budesonide Acetaldehyde Acetal (epimers)