Karlsson, M Liquid chromatographic determination of a new catechol-O-methyltransferase inhibitor, entacapone, and its Z-isomer in human plasma and urine. [electronic resource] - Journal of pharmaceutical and biomedical analysis Aug 1992 - 593-600 p. digital Publication Type: Journal Article ISSN: 0731-7085 Standard No.: 10.1016/0731-7085(92)80085-2 doi Subjects--Topical Terms: Catechol O-Methyltransferase InhibitorsCatechols--bloodChromatography, High Pressure Liquid--methodsHumansNitrilesStereoisomerism