Ethyl 2-(chloromethyl)-5-(difluoromethyl)pyridine-4-carboxylate
Methyl 3-(chloromethyl)-5-(difluoromethyl)pyridine-4-carboxylate
Methyl 2-(chloromethyl)-6-(difluoromethyl)pyridine-4-carboxylate
2,3-Dibromo-4-(difluoromethyl)-6-(trifluoromethyl)pyridine