Fig. 2From: Improved automated one-pot two-step radiosynthesis of (S)-[18F]FETrp, a radiotracer for PET imaging of indoleamine 2,3-dioxygenase 1 (IDO1)Main radiosynthetic routes available for the production of racemic (R/S)- or enantiopure (S)-[18F]FETrpBack to article page