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Module-assisted preparation of [18F]SFB according to Maeding et al. [23] (left) in a GE TRACERlabFx module using the acidic hydrolysis of 18F-labeled tert-butylester intermediate and according to Thonon et al. [25] (right) in a GE FASTlabTM module via basic hydrolysis of intermediate 4-[18F]fluorobenzoylethyl ester.
