<unk>  is an imidazole derivative and alpha2-adrenergic agonist, used as a large animal sedative,primarily used in horses. Usually available as<unk>  hydrochloride. This is a prescription medication available to veterinarians sold inder the trade name Domosedan.
Detomidine
Phencyclidine
Benzydamine
Benzidine
Benzocaine 
Cannabis 
Cyclochlorotine
Hexamine