Scheme 1From: Synthesis and preliminary preclinical evaluation of fluorine-18 labelled isatin-4-(4-methoxyphenyl)-3-thiosemicarbazone ([18F]4FIMPTC) as a novel PET tracer of P-glycoprotein expressionshowing 5 min. Transmission scan, followed by injection of [18F]5 during a 60 min scan, after which a second transmission scan was performed. Next [18F]NaF was injected during a 30 min. ScanBack to article page