Ethyl 4-fluoro-3-methoxy-6-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 4-hydroxy-3-methyl-2-(trifluoromethoxy)pyridine-5-carboxylate
3-(Difluoromethyl)-6-hydroxy-4-iodo-2-(trifluoromethoxy)pyridine
Methyl 4-hydroxy-6-methyl-3-(trifluoromethoxy)pyridine-2-carboxylate