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. 2023 Feb 3;13(2):290. doi: 10.3390/biom13020290

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Chemical structures of selected tau PET radiotracers of the Janssen (JNJ) family. (a,b): 6-[¹⁸F]fluoro-1,5-naphtyridine derivatives, (c): [¹⁸F]JNJ-311 or [¹⁸F]JNJ-64349311, (d): [¹⁸F]JNJ-067 or [¹⁸F]JNJ-64326067.