Methyl 3-cyano-2-methoxy-4-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 6-(difluoromethyl)-4-nitro-2-(trifluoromethoxy)pyridine-3-carboxylate
4-Amino-3-bromo-6-(trifluoromethoxy)pyridine-2-acetonitrile
Methyl 2-(difluoromethyl)-3-hydroxy-4-iodopyridine-5-acetate