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Synthetic scheme for the synthesis of radiolabeled 18F-E4Tz12 7. Reagents and conditions: a) triethylamine, acetonitrile/dimethylformamide (4:1), 1 h, 68 %; b) 1×PBS/dimethylformamide (20:1), 3 h, 29 %; c) 18F-TCO, 1×PBS/DMSO (1:4), 20 min, 45 % dcRCY.
