Dexamethasone Sodium Phosphate EP Impurity E

Chemical Name: ((2S,3R,4aS,4bS,10aS,10bR,11S,12aS)-10b-fluoro-2,11-dihydroxy-3,10a,12a-trimethyl-1,8-dioxo-1,2,3,4,4a,4b,5,6,8,10a,10b,11,12,12a-tetradecahydrochrysen-2-yl)methyl dihydrogen phosphate Disodium salt

Synonym: N1-((2R,3S)-4-((4-amino-N-isobutylphenyl)sulfonamido)-3-hydroxy-1-phenylbutan-2-yl)-N4-((2S,3R)-4-((4-amino-N-isobutylphenyl)sulfonamido)-3-hydroxy-1-phenylbutan-2-yl)succinamide