<unk>  is an anticholinergic drug principally used for the treatment of:
Drug-induced parkinsonism, akathisia and acute dystonia;
Parkinson disease; and
Idiopathic or secondary dystonia.
Procyclidine hydrochloride
Phenoperidine
Aceclidine
Dyclonine hydrochloride
Neostigmine methylsulfate
Diphenylpyraline
Pyridostigmine
Esketamine