Methyl 2-bromo-4-(chloromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylate
3-Chloro-6-cyano-4-methoxy-2-(trifluoromethoxy)pyridine
Methyl 2-bromo-3-(chloromethyl)-6-(trifluoromethoxy)pyridine-4-carboxylate
4-Chloro-5-cyano-3-methoxy-2-(trifluoromethoxy)pyridine