Methyl 4-hydroxy-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-acetate
Ethyl 4-iodo-3-methyl-2-(trifluoromethoxy)pyridine-6-acetate
3-(Chloromethyl)-6-iodo-2-methoxy-4-(trifluoromethoxy)pyridine
4-(Chloromethyl)-5-iodo-2-methoxy-3-(trifluoromethoxy)pyridine