Methyl 5-(chloromethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-acetate
2-(Bromomethyl)-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
Methyl 4-(chloromethyl)-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetate
6-(Bromomethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxaldehyde