Nicergolin Pyridine N-Oxide Impurity

Chemical Name: 3-Bromo-5-((((6aR,9R,10aS)-10a-methoxy-4,7-dimethyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinolin-9-yl)methoxy)carbonyl)pyridine 1-oxide

Smile: O=C(C1=CC(Br)=C[N+]([O-])=C1)OC[C@@](C[C@]23OC)([H])CN(C)[C@]3([H])CC4=CN(C)C5=CC=CC2=C45