3-Amino-5-(chloromethyl)-4-(difluoromethyl)pyridine-2-carboxylic acid
3-(Difluoromethyl)-5-hydroxy-4-nitropyridine-2-sulfonyl chloride
2-(Difluoromethyl)-3,5-dimethoxypyridine-4-acetic acid
Methyl 4-bromo-5-cyano-3-(difluoromethyl)pyridine-2-carboxylate