Ivabradine D3 HCl is the tri-deuterated form and hydrochloride salt of Ivabradine used as an internal standard for the quantification of ivabradine, which is a cardiac pacemaker current (If) inhibitor approved in 2015 for symptomatic management of stable angina pectoris, stable heart-related chest pain and heart failure.

Tolazoline is a potent, non-selective competitive α-adrenergic receptor antagonist.

Levosalbutamol (also known as levalbuterol), the R-enantiomer of racemic salbutamol (albuterol), is a short-acting β2 adrenergic receptor agonist used in the treatment of asthma and chronic obstructive pulmonary disease (COPD).

(S)-Terazosin is the S-enantiomer of Terazosin, which is a selective α1-adrenoceptor antagonist used for treatment of symptoms of BPH (benign prostatic hyperplasia, an enlarged prostate).

Tamsulosin HCl, a marketed drug, is a potent and selective α1a adrenergic receptor antagonist used for the treatment of benign prostatic hyperplasia (BPH).

Alfuzosin HCl (Alfetim; alfusozine; SL-77499; alphuzosine; Benestan; Urion; UroXatral; Xatral), the hydrochloride salt of alfuzosin, is an approved/marketed drug which acts as an alpha1 adrenergic receptor antagonist. It has been approved for use in the treatment of benign prostatic hyperplasia (BPH).

ICI-118551 HCl, the hydrochloride salt of ICI118551, is a novel, potent and highly selective β2 adrenergic receptor antagonist, with Kis of 0.7, 49.5 and 611 nM for β2, β1 and β3 receptors, respectively.

Arotinolol (Almarl) is a medication acting as a nonselective α/β-adrenergic receptor blocker and a vasodilating β-blocker.

Naphazoline HCl (Albalon Liquifilm; Nafazair; Rhinantin; Vasocon), the hydrochloride salt of Naphazoline, is an imidazoline-based ocular vasoconstrictor and sympathomimetic amine used as a nasal decongestant.

Xylazine, an analogue of clonidine, is an α2-Adrenergic receptor agonist used for the treatment of sedation, anesthesia, muscle relaxation, and analgesia in animals such as horses, cattle and other non-human mammals.