Fluticasone Propionate EP Impurity B

Chemical Name: Fluticasone USP RC A ; Fluticasone Sulfenic Acid Propionate ; 6α,9-difluoro-11β-hydroxy-16α-methyl-3-oxo-17-(propanoyloxy)androsta-1,4-dien-17β-carbo(thioperoxoic) SO-acid,

Synonym: 3-cinnamyl 5-(2-methoxyethyl) 2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate ; 2,6-Dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic Acid 2-Methoxyethyl (2E)-3-Phenyl-2-propenyl Ester;