Chemical Name: 16α,17-[(1RS)-butylidenebis(oxy)]-21-hydroxypregna-1,4-diene-3,11,20-trione (as per EP); 16α,17-[Butylidenebis(oxy)]-21-hydroxypregna-1,4-diene-3,11,20-trione (as per USP)
Synonym: Budesonide USP Related Compound L ; 11-ketobudesonide (USP)