Similar names: Pregn-4-ene-3,20-dione, 6α-fluoro-11β,16α,17,21-tetrahydroxy-, cyclic 16,17-acetal with acetone (7CI,8CI); (6α,11β,16α)-6-Fluoro-11,21-dihydroxy-16,17-[(1-methylethylidene)bis(oxy)]pregn-4-ene-3,20-dione; 2H-Naphth[2',1':4,5]indeno[1,2-d][1,3]dioxole, pregn-4-ene-3,20-dione deriv.; 33379; 6α-Fluoro-11β,21-dihydroxy-16α,17α-(isopropylidenedioxy)pregn-4-ene-3,20-dione; 6α-Fluoro-16α-hydroxyhydrocortisone 16,17-acetonide; Alondra F; Cordran; Drenison; Drocort; Fluadrenolone; Fludroxicortide; Fludroxycortide; Fluorandrenolone; Fluorandrenolone acetonide; Fluoroandrenolone acetonide; Flurandrenolide; Flurandrenolone; Flurandrenolone acetonide; Haelan; Haldrone F; L 33379; Sermaka