Acepromazine
Acepromazine or Acetylpromazine is one of the phenothiazine derivative psychotropic drugs, used little in humans, however frequently in animals as a means of chemical restraint. Its principal value is in quietening and calming frightened and aggressive animals. The standard pharmaceutical preparation, acepromazine maleate, is used extensively in equine, feline, and canine; especially as a pre-anesthetic agent.