Codeine EP Impurity D

Chemical Name: 4,5α-epoxy-2-[(4,5α-epoxy-6α-hydroxy-17-methyl-7,8-didehydromorphinan-3-yl)oxy]-3-methoxy-17-methyl-7,8-didehydromorphinan-6α-ol (3-O-(codein-2-yl)morphine) (as per EP)

Smile: O[C@](C=C1)([H])C2([H])[C@]([C@]1([H])[C@@]3([H])C4)(CCN3C)C5=C4C=C(OC6=C(O7)C([C@]([C@]7([H])[C@](O)([H])C=C8)(CCN9C)[C@]8([H])[C@@]9([H])C%10)=C%10C=C6)C(OC)=C5O2