53-34-9 6.alpha.-Fluoro-11.beta.,17,21-trihydroxypregna-1,4-diene-3,20-dione 6.alpha.-Fluoroprednisolone Alphadrol B 673 Corticosterone, 1-dehydro-6.alpha.-fluoro- Etadrol F. I. 6150 Flucort Fluprednisolone Isopredon NSC47439 Prednisolone, 6.alpha.-fluoro- Pregna-1,4-diene-3,20-dione, 6-fluoro-11,17,21-trihydroxy-, (6.alpha.,11.beta.)- Pregna-1,4-diene-3,20-dione, 6.alpha.-fluoro-11.beta.,17,21-trihydroxy- U 7800 U-7800 Vladicort