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