Fluticasone PropionateEP Impurity I

Chemical Name: Fluticasone Trisulphane Impurity ; 17,17′-(Trisulphanediyldicarbonyl)bis(6α,9-difluoro-11β-hydroxy-16α-methyl-3-oxoandrosta-1,4-dien-17α-yl) dipropanoate ;