Fig. 1From: A high molar activity 18F-labeled TAK-875 derivative for PET imaging of pancreatic β-cellsSemi-preparative HPLC chromatogram of a typical radiosynthesis of [18F]7. Resolution of [18F]7 (tR = 23 min) from the elimination by-product 8 (tR = 21 min) was achieved using a pentafluorophenyl functionalized HPLC column. Radioactivity (black) and UV (γ = 254 nm; blue)Back to article page