<unk>  (INN) is a long-acting beta2-adrenergic receptor agonist, marketed in Japan as a transdermal patch under the name Hokunalin tape.
Currently, it is only legal in 6 countries: Japan, Germany, China, Bangladesh, Pakistan, and Venezuela.
Tulobuterol
Xamoterol
Levosalbutamol
Formoterol
Pirbuterol
Levalbuterol
Bambuterol
Tiotropium