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