1) Belgian invention 
<chemical> A muscarinic antagonist that has been used to treat neuroleptic-induced parkinsonism. Benzetimide is the (-)-enantimorph of dexetimide. ... Pharmacological action: antiparkinson agents, muscarinic antagonists, parasympatholytics. ... Chemical name: (3,4'-Bipiperidine)-2,6-dione, 3-phenyl-1'-(phenylmethyl)-, (S)- ... (12 Dec 1998) ....