Triamcinolone Acetonide EP Impurity C

Chemical Name: 9-fluoro-11β,21,21-trihydroxy-16α,17-(1-methylethylidenedioxy)pregna-1,4-diene-3,20-dione (as per EP) ; (9-Fluoro-11,21,21-trihydroxy-16,17-[(1-methylethylidene)bis(oxy)]-(11β,16α)-pregna-1,4-diene-3,20-dione (as per USP)

Smile: C[C@@]12[C@@]3(C(C(O)O)=O)[C@H](OC(O3)(C)C)C[C@@]1([H])[C@]4([H])CCC5=CC(C=C[C@]5(C)[C@@]4(F)[C@@H](O)C2)=O.C[C@@]67[C@@]8(C(C=O)=O)[C@H](OC(O8)(C)C)C[C@@]6([H])[C@]9([H])CCC%10=CC(C=C[C@]%10(C)[C@@]9(F)[C@@H](O)C7)=O