Methyl 4-(difluoromethyl)-3-methoxy-2-(trifluoromethyl)pyridine-6-carboxylate
Methyl 4-(difluoromethyl)-6-methoxy-2-(trifluoromethyl)pyridine-3-carboxylate
Ethyl 6-(chloromethyl)-3-(difluoromethyl)-2-methoxypyridine-4-acetate
Methyl 4-(difluoromethyl)-6-methoxy-3-(trifluoromethyl)pyridine-2-carboxylate