Betamethasone - API ; Betamethasone Valerate Impurity A (EP); (11β,16β)-9-Fluoro-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione; Betamethasone Alcohol; 9α-Fluoro-16β-methylprednisolone; Betadexamethasone; Flubenisolone; 9-fluoro-11β,17,21-trihydroxy-16β-methylpregna-1,4-diene-3,20-dione; Betamethasone (USP);