Synthesis of Clinical-Grade [<sup>18</sup>F]-Fluoroestradiol as a Surrogate PET Biomarker for the Evaluation of Estrogen Receptor-Targeting Therapeutic Drug

<table>Schematic diagram of the automated synthesis of [<sup>18</sup>F]FES for medical use.</table>

International Journal of Molecular Imaging

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Figure 1

Figure 1: Synthesis of Clinical-Grade [<sup>18</sup>F]-Fluoroestradiol as a Surrogate PET Biomarker for the Evaluation of Estrogen Receptor-Targeting Therapeutic Drug 

Figure 1 | Synthesis of Clinical-Grade [18F]-Fluoroestradiol as a Surrogate PET Biomarker for the Evaluation of Estrogen Receptor-Targeting Therapeutic Drug 