The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/by/3.0/). For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.
A racemate consisting of equal amounts of (R,S,S,S)- and (S,R,R,R)-nebivolol hydrochloride. A cardioselective beta-blocker, it has vasodilatory activity but lacks intrinsic sympathomimetic and membrane-stabilising activity. It is used as the hydrochloride salt for the management of hypertension, and as an adjunct to standard therapy in elderly patients with stable chronic heart failure.