Nebivolol Impurity 45 (RRSR + RSRR)

Chemical Name: (S)-1-((R)-6-fluorochroman-2-yl)-2-(((R)-2-((R)-6-fluorochroman-2-yl)-2-hydroxyethyl)amino)ethan-1-ol

Smile: FC1=CC=C2C(CC[C@@]([C@]([H])(O)CNC[C@]([H])(O)[C@@]3([H])CCC(C=C(F)C=C4)=C4O3)([H])O2)=C1.FC5=CC=C6C(CC[C@@]([C@@]([H])(O)CNC[C@@]([H])(O)[C@@]7([H])CCC(C=C(F)C=C8)=C8O7)([H])O6)=C5