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. 2023 Aug 27;28(17):6265. doi: 10.3390/molecules28176265

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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/).

PMC Copyright notice

PET/CT images comparing the different [¹⁸F] isomers ([¹⁸F]2 is ortho, [¹⁸F]3 is meta and [¹⁸F]4 is para-substituted) in a normal rat brain [104]. Reprinted from publication [104], Copyright 2017, with permission from Elsevier.