PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 1734304-1 1992 PET studies were performed to investigate the effects of a new cathechol-O-methyltransferase (COMT) inhibitor, nitecapone (OR-462 [3-(3,4-dihydroxy-5-nitrobenzylidene)- 2,4-pentadione]), on the accumulation of dopamine in the striatum and whether it is able to improve [18F]6-fluorodopa imaging of the brain. or-462 [3-(3,4-dihydroxy-5-nitrobenzylidene)- 2,4-pentadione 123-183 catechol-O-methyltransferase Homo sapiens 63-92 1734304-1 1992 PET studies were performed to investigate the effects of a new cathechol-O-methyltransferase (COMT) inhibitor, nitecapone (OR-462 [3-(3,4-dihydroxy-5-nitrobenzylidene)- 2,4-pentadione]), on the accumulation of dopamine in the striatum and whether it is able to improve [18F]6-fluorodopa imaging of the brain. or-462 [3-(3,4-dihydroxy-5-nitrobenzylidene)- 2,4-pentadione 123-183 catechol-O-methyltransferase Homo sapiens 94-98