6alpha-Fluoro-11beta,16alpha,17,21-tetrahydroxypregna-1,4-diene-3,20-dione cyclic 16,17-acetal with acetone, hemihydrate 77326-96-6 FLUNISOLIDE Flunisolide [USAN:BAN:INN:JAN] Pregna-1,4-diene-3,20-dione, 6-fluoro-11,21-dihydroxy-16,17-((1-methylethylidene)bis(oxy))-, hemihydrate, (6alpha,11beta,16alpha)-