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