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. Author manuscript; available in PMC: 2022 Apr 21.
Published in final edited form as: ACS Chem Neurosci. 2021 Jan 25;12(3):517–530. doi: 10.1021/acschemneuro.0c00737

Figure 2.

Figure 2.

Strategies for 18F-labeling of a 1,1,1-trifluoroethoxy group: A, a one-step approach (Fawaz et al.);26 B, a two-step approach (Rafique et al.);27 and C, radiosynthesis approaches investigated in this work for the synthesis of [18F]PS13.