Potassium 5-methoxypyridine-3-trifluoroborate
Potassium trifluoro(6-fluoro-5-methylpyridin-3-yl)borate
Potassium (4-tert-butoxycarbonylpiperazin-1-yl)methyltrifluoroborate
Potassium 4-iodophenyltrifluoroborate