Betamethasone Impurity 10

Chemical Name: 2-((4aS,4bS,5aS,6aS,7R,9aS,9bS)-7-hydroxy-4a,6a-dimethyl-2-oxo-2,4a,5a,6,6a,7,8,9,9a,9b,10,11-dodecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)-2-oxoethyl acetate

Smile: C[C@@](C(CC1)=CC2=O)(C=C2)[C@@]3([C@]1([H])[C@@](CC[C@]4(O)C(COC(C)=O)=O)([H])[C@]4(C)C5)[C@H]5O3