Nicergoline EP Impurity B

Chemical Name: [(6aR,9R,10aS)-10a-methoxy-7-methyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinolin-9-yl]methyl 5-bromopyridine-3-carboxylate (1-desmethylnicergoline)

Smile: BrC1=CN=CC(C(OC[C@@]2([H])CN(C)[C@@](CC3=CNC4=CC=CC5=C34)([H])[C@]5(OC)C2)=O)=C1