Ethyl 6-cyano-4-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylate
3-Chloro-6-(difluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine
Ethyl 4-chloro-2-methyl-6-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 2-cyano-4-hydroxy-3-(trifluoromethoxy)pyridine-5-carboxylate