Loteprednol Impurity 1

Chemical Name: (8S,9S,10R,13S,14S,17R)-17-((ethoxycarbonyl)oxy)-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic 2-methoxyacetic anhydride

Smile: C[C@@]12[C@@](C(OC(COC)=O)=O)(CC[C@@]1([H])[C@@](CCC3=CC4=O)([H])[C@]([C@]3(C=C4)C)([H])C(O)C2)OC(OCC)=O