4533-89-5 6alpha-Fluoro-11beta,16alpha,17,21-tetrahydroxypregna-1,4-diene-3,20-dione cyclic 16,17-acetal with acetone, 21-acetate 6alpha-Fluoro-11beta,21-dihydroxy-16alpha,17-(isopropylidenedioxy)pregna-1,4-diene-3,20-dione 21-acetate EINECS 224-871-3 FLUNISOLIDE ACETATE Flunisolide 21-acetate Flunisolide acetate [USAN] Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-6-fluoro-11-hydroxy-16,17-((1-methylethylidene)bis(oxy))-, (6alpha,11beta,16alpha)- RS 1320