Methyl 3-(chloromethyl)-2-fluoro-5-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 2-(chloromethyl)-5-fluoro-4-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 6-(chloromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine-3-carboxylate
3-(Chloromethyl)-6-(difluoromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine