Ethyl 3-(chloromethyl)-2-(difluoromethyl)-4-methoxypyridine-5-acetate
Methyl 3-(difluoromethyl)-6-methoxy-4-(trifluoromethyl)pyridine-2-carboxylate
Ethyl 2-(chloromethyl)-6-(difluoromethyl)-5-methoxypyridine-3-acetate
Methyl 5-(difluoromethyl)-2-methoxy-3-(trifluoromethyl)pyridine-6-carboxylate