Prednisolone Sodium Phosphate USP Impurity A

Chemical Name: 11β,17,20-Trihydroxy-21-nor-13(17)a-homopregane-1,4-diene-3,13a-dione 20-phosphate (as per USP) ; 11-beta,17-alfa-Dihydroxy-17-[(phosphonooxy)methyl]-D-homoandrosta-1,4-diene-3,17a-dione

Smile: C[C@@]12C(CC[C@]3([H])[C@]2([H])[C@@H](O)C[C@@]4(C)[C@@]3([H])CC[C@@](O)(COP(O)(O)=O)C4=O)=CC(C=C1)=O