(2'RS)-9-FLUORO-11.BETA.-HYDROXY-2'-METHYL-3,20-DIOXO-(16.BETA.H)-(1,3)DIOXOLO(4',5':16,17)PREGNA-1,4-DIEN-21-YL 3,3-DIMETHYLBUTANOATE
(2'rs)-9-fluoro-11.beta.-hydroxy-2'-methyl-3,20-dioxo-(16.beta.h)-(1,3)dioxolo(4',5':16,17)pregna-1,4-dien-21-yl 3,3-dimethylbutanoate