Budesonide EP Impurity E

Chemical Name: 16α,17-[(1RS)-butylidenebis(oxy)]-11β,21-dihydroxypregna-1,4,14-triene-3,20-dione (as per EP); 16α,17-[Butylidenebis(oxy)]-11β,21-dihydroxypregna-1,4,14-triene-3,20-dione (as per USP)

Synonym: Budesonide USP Related Compound E ; 14,15-Dehydrobudesonide (USP)

Smile: C[C@@]12[C@@]3(C(CO)=O)[C@@](OC(O3)CCC)([H])C=C1[C@]4([H])CCC5=CC(C=C[C@]5(C)[C@@]4([H])[C@@H](O)C2)=O