The present invention relates to the methods of the radiolabeled stibazoles of synthesis 18F- and its tosylate precursor. The invention further relates to the stabilizing pharmaceutical compositions comprising the radiolabeled stibazoles of 18F-.本發明涉及合成18F-放射性標記的苯乙烯基吡啶及其甲苯磺酸酯前體的方法。本發明還涉及包含18F-放射性標記的苯乙烯基吡啶的穩定藥物組合物。