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