Brombuterol-d9 is a deuterium labeled Brombuterol. Brombuterol is a β-adrenergic receptor agonist[1].
IC 50
β adrenergic receptor
References
[1] E Sangiorgi, et al. Application of a Sequential Analytical Procedure for the Detection of the Beta-Agonist Brombuterol in Bovine Urine Samples. J Chromatogr B Biomed Sci Appl. 1997 Jun 6;693(2):468-78. DOI:10.1016/s0378-4347(97)00056-x