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