2-Bromo-5-fluoropyridine41404-58-432 % similar 2-Chloro-5-fluoropyrimidine62802-42-032 % similar 3-Fluoropyridine372-47-431 % similar 2-Bromo-5-fluoropyrimidine947533-45-131 % similar 4-Pyrazoleboronic acid pinacol ester269410-08-430 % similar Methyl 1H-pyrazole-4-carboxylate51105-90-930 % similar 1,3,5-Trifluorobenzene372-38-330 % similar 1,4-Difluorobenzene540-36-330 % similar