Tizanidine hydrochloride is an α2-adrenergic receptor agonist and inhibits neurotransmitter release from CNS noradrenergic neurons.

Roxatidine Acetate hydrochloride is a specific and competitive histamin H2-receptor antagonist, with IC50 of 3.2 μM, inhibits gastric acid secretion and ulcer formation.

Lafutidine, a newly developed histamine H(2)-receptor antagonist, inhibits gastric acid secretion.

Clemastine Fumarate (Clemastine) is a selective histamine H1 receptor antagonist with IC50 of 3 nM.

Azelastine hydrochloride is a potent, second-generation, selective, histamine receptor antagonist, used in the treatment of rhinitis.

Valdecoxib is a potent and selective inhibitor of COX-2 with IC50 of 5 nM.

Mizolastine is a histamine H1-receptor antagonist with IC50 of 47 nM used in the treatment of hay fever (seasonal allergic rhinitis), hives and other allergic reactions.

Tolterodine tartrate is a tartrate salt of tolterodine that is a competitive muscarinic receptor antagonist.