The molecule is a hydrochloride obtained by reaction of (S,R,R,R)-nebivolol with one equivalent of hydrochloric acid. It contains a (S,R,R,R)-nebivolol(1+). It is an enantiomer of a (R,S,S,S)-nebivolol hydrochloride.
(1R)-1-[(2R)-6-fluoro-3,4-dihydro-2H-chromen-2-yl]-2-[[(2R)-2-[(2S)-6-fluoro-3,4-dihydro-2H-chromen-2-yl]-2-hydroxyethyl]amino]ethanol;hydrochloride