FIELD: medicine; pharmacology.
SUBSTANCE: invention relates to pharmacology and medical diagnostics. Disclosed is a contrast agent, representing N-(2,3,5-trifluoro-4,6-bis(trifluoromethyl)phenyl)-homocysteine thiolactone, which can be used for introduction of fluorine-19 label into protein molecules containing lysine residues.
EFFECT: invention provides higher quality and stability of a contrast agent.
1 cl, 1 dwg, 3 ex
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