338-98-7 9-Fluoro-11,17-dihydroxy-3,20-dioxopregna-1,4-dien-21-yl acetate 9-Fluoro-11.beta.,17,21-trihydroxypregna-1,4-diene-3, 20-dione 21-acetate 9-Fluoroprednisolone 21-acetate 9-Fluoroprednisolone acetate 9-Fluorprednisolone acetate 9.Alpha.-Fluoroprednisolone 21-acetate 9.Alpha.-Fluoroprednisolone acetate AIDS-159852 AIDS159852 Isoflupredone acetate NSC12600 NSC37977 Predef Predef 2X Predef, veterinary Prednisolone, 9-fluoro-, 21-acetate Pregna-1, 4-diene-3,20-dione, 21-(acetyloxy)-9-fluoro-11,17-dihydroxy-, (11.beta.)- Pregna-1,4-diene-3,20-dione, 9-fluoro-11.beta., 17,21-trihydroxy-, 21-acetate