Betamethasone Sodium Phosphate Impurity F

Chemical Name: ((2R,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 disodium phosphate

Smile: C[C@@]12[C@@]([H])(C[C@](C)([H])[C@](COP([O-])([O-])=O)(O)C2=O)[C@]3([H])CCC4=CC(C=C[C@]4(C)[C@@]3(F)[C@](O)([H])C1)=O.[Na+].[Na+]