<unk>  is a Catechol-O-Methyltransferase Inhibitor that is FDA approved for the treatment of signs and symptoms of idiopathic Parkinson's disease. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include Dyskinesia, Nausea, Sleep Disorder , Anorexia , Diarrhea , urine discoloration, somnolence, hallucination, dystonia, and sweating.
Tolcapone
Zipeprol
Aglepristone
Mazaticol
Ethenzamide
Tyloxapol
Oxyphenisatine
Niceritrol