2002-29-1 6.alpha.,9-Difluoro-11.beta.,17,21-trihydroxy-16.alpha.-methylpregna-1,4-diene-3,20-dione 21-pivalate 6.alpha.,9.alpha.-Difluoro-16.alpha.-methylprednisolone 21-pivalate Flumethasone Pivalate Locacorten Locorten Lorinden NSC107680 Pregna-1,4-diene-3,20-dione, 21-(2,2-dimethyl-1-oxopropoxy)-6,9-difluoro-11,17-dihydroxy-16-methyl-, (6.alpha.,11.beta.,16.alpha.)- Pregna-1,4-diene-3,20-dione, 6.alpha.,9-difluoro-11.beta.,17,21-trihydroxy-16.alpha.-methyl-, 21-pivalate