Synonyms:
(s)-16alpha,17-(butylidenedioxy)-11beta,21-dihydroxypregna-1,4-diene-3,20-dione ; (22s)-budesonide ; (22s)-budesonide (85:15 = s:r) ; pregna-1,4-diene-3,20-dione,16,17-[(1s)-butylidenebis(oxy)]-11,21-dihydroxy-, (11b,16a)- ; budesonide-22s ; s-22budesonide ; pregna-1,4-diene-3,20-dione,16,17-[butylidenebis(oxy)]-11,21-dihydroxy-, [11b,16a(s)]- ; 16α,17-[(s)-butylidenebisoxy]-11β,21-dihydroxypregna-1,4-diene-3,20-dione