382-52-5 6.alpha.-Methyl-9.alpha.-fluoroprednisolone 9.alpha.-Fluoro-6.alpha.-methylprednisolone NSC19621 Pregna-1,4-diene-3,20-dione, 9-fluoro-11,17,21-trihydroxy-6-methyl-, (6.alpha.,11.beta.)- Pregna-1,4-diene-3,20-dione, 9-fluoro-11.beta.,17,21-trihydroxy-6.alpha.-methyl-