Methyl 2-hydroxy-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-5-acetate
2-Chloro-5-cyano-4-(difluoromethyl)-3-nitropyridine
Ethyl 6-(difluoromethyl)-3-methyl-2-(trifluoromethoxy)pyridine-4-carboxylate
2-Chloro-6-(difluoromethyl)-3-iodopyridine-4-carboxylic acid