3-Fluoro-2-hydroxy-5-methyl-6-(trifluoromethoxy)pyridine
6-Fluoro-4-hydroxy-3-methyl-2-(trifluoromethoxy)pyridine
Methyl 4-(difluoromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 3-(difluoromethyl)-5-fluoro-6-(trifluoromethoxy)pyridine-2-carboxylate