Synonyms: Betamethasone Imp. A (EP), Dexamethasone Acetate Imp. A (EP), Dexamethasone Sodium Phosphate Imp. A (EP), Dexamethasone, 9-Fluoro-11beta,17,21-trihydroxy-16alpha-methylpregna-1,4-diene-3,20-dione, Betamethasone Impurity A, Dexamethasone Acetate Impurity A, Dexamethasone Isonicotinate Impurity A, Dexamethasone Sodium Phosphate Impurity A