Ethyl 3-fluoro-2-hydroxy-4-(trifluoromethoxy)pyridine-5-carboxylate
2-Fluoro-3-iodo-4-methyl-6-(trifluoromethoxy)pyridine
Ethyl 2-fluoro-6-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylate
3-Hydroxy-2-methoxy-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine