DPA-713 or NN-diethyl-2-(4-methoxyphenyl)-57-dimethylpyrazolo[15-a]pyrimidine-3-acetamide is a selective ligand for the translocator protein (TSPO).The binding affinity of DPA-713 for TSPO is reported as Ki = 4.7 ± 0.2 nM.DPA-713 has been radiolabelled with carbon-11 as a potential radiotracer for imaging the TSPO using positron emission tomography (PET).
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