Fig. 6From: Radioiodinated PARP1 tracers for glioblastoma imagingRadiochemical synthesis of I2-PARPi. a Coupling reaction with para-iodo NHS-benzoate and PARPi precursor. b HPLC chromatogram of [131I]-I2-PARPi (radiotrace in blue, UV trace in black). c,d Mass spectrometry chromatograms of I2-PARPiBack to article page