They are designed to replace the shorter<unk>  B2-agonists such as salbutamol, as they have a duration of action of approximately 12 hours in comparison with the 4-6 hour duration of salbutamol, making them ideal candidates for twice-daily administration.
Long acting beta adrenoceptor agonist
Beta2-adrenergic receptor agonist
Adrenergic agonist
Alpha-adrenergic agonist
Angiotensin II receptor antagonist
Muscarinic agonist
PDE-5 inhibitor
Beta-adrenergic agonist