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Radiolabeled gefitinib. (a) Alternative conditions for the radiosynthesis of [11C]gefitinib; (b) In vivo PET evaluation (coronal images) of [11C]gefitinib in tumor-bearing (NFSa) mice at baseline (a) and with increasing non-radioactive gefitinib (b–d) (adapted with kind permission from Springer Science + Business Media: [59], Springer International Publishing© AG); (c) Radiosynthesis of [18F]gefitinib. (SUV: standardized uptake value).
