(αR,α’R,2R,2’S)-α,α’-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]-d4; [2R-[2R*[R*[R*(S*)]]]]-α,α'-[Iminobis(methylene)]bis[6-fluoro-3,4-|dihydro-2H-1-benzopyran-2-methanol-d4 Hydrochloride; (S,R,R,R)-Nebivolol-d4 Hydrochloride; Dexnebivolol-d4 Hydrochloride; R 67138-d4; d-Nebivolol-d4 Hydrochloride; |

Labeled (+)-Nebivolol. A β1-Adrenergic blocker. Used as an antihypertensive.