Hydromorphone EP Impurity A

Chemical Name: 4,5α:4′,5′α-Diepoxy-3,3′-dihydroxy-17,17′-dimethyl-2,2′-bimorphinanyl-6,6′-dione (as per EP) 

Synonym: Pseudohydromorphone

Smile: OC1=C(C2=C(O)C(O3)=C([C@@]4([C@]3([H])C(CC5)=O)[C@]5([H])[C@]([H])(N(C)CC4)C6)C6=C2)C=C7C8=C1OC(C(CC9)=O)([H])[C@@]8%10[C@]9([H])[C@]([H])(N(C)CC%10)C7