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