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EJNMMI Radiopharmacy and Chemistry
Fig. 2 | EJNMMI Radiopharmacy and Chemistry

Fig. 2

From: Closing the gap between 19F and 18F chemistry

Fig. 2

Timeline for (hetero)aryl–19F/18F bond formation from [18F]fluoride. FG = functional group. R = EWG or EDG. EWG = electron-withdrawing group. EDG = electron-donating group. X = counter-anion. LG = leaving group

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