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. 2019 Jan 1;9(1):11–19. doi: 10.7150/thno.29740

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This is an open access article distributed under the terms of the Creative Commons Attribution (CC BY-NC) license (https://creativecommons.org/licenses/by-nc/4.0/). See http://ivyspring.com/terms for full terms and conditions.

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Analytical HPLC chromatograms of crude reaction mixture before deprotection (A), [¹⁸F]3 after deprotection (B), and the final purified product [¹⁸F]3 (C). [¹⁸F]2 is (A) and [¹⁸F]3 is (B) were analyzed using analytical HPLC method 2 and [¹⁸F]3 in (C) was analyzed using analytical HPLC method 3.