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pro vyhledávání: '"Carita Karlsson"'
Autor:
Carita Karlsson, Erkki Juhani Honkanen
Publikováno v:
Journal of Labelled Compounds and Radiopharmaceuticals. 29:237-239
14C-labelled 3-(3, 4-dihydroxy-5-nitrophenylmethylidene)-2,4-pentanedione (4) and 14C-labelled E-N, N-diethyl-2-cyano-3-(3,4-dihydroxy- 5-nitrophenyl)acrylamide (5) have been synthesized from [carbonyl-14C]vanillin.
Publikováno v:
Biological mass spectrometry. 20(12)
A gas chromatographic/mass spectrometric method is developed and validated for simultaneous determination of nitecapone and its 13C6-labelled analogue in human plasma using (2H6,13C6)nitecapone as internal standard. The method involves extraction of