FIELD: chemistry.
SUBSTANCE: invention relates to a radioindicator for PET, which possesses improved properties with respect to visualisation of peripheral benzodiazepine receptors (PBR) in comparison with known radioindicators for PET. In accordance with the claimed invention also claimed are: a predecessor compound for obtaining the radioindicator for PET in accordance with the invention and methods of obtaining the said predecessor compound and the said radioindicator for PET.
EFFECT: claimed is a radiopharmaceutical composition, containing the radioindicator for PET in accordance with the invention and methods for the application of the radioindicator for PET and the radiopharmaceutical composition 
.
23 cl, 8 dwg, 12 ex
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