Fig. 2From: Development of a novel radioligand for imaging 18-kD translocator protein (TSPO) in a rat model of Parkinson’s diseaseRadioTLC of crude [18F]FTPQ (a) before and (b) after the Sep-pak cartridge purification. c HPLC of [18F]FTPQ. The retention time of authentic FTPQ and [18F]FTPQ was 9.23 and 9.39 min, respectivelyBack to article page