4-Hydroxy-2-methyl-3-(trifluoromethoxy)pyridine-5-sulfonamide
Methyl 6-(difluoromethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-2-acetate
Methyl 2-(difluoromethyl)-5-fluoro-3-(trifluoromethoxy)pyridine-4-acetate
Methyl 3-(difluoromethyl)-5-fluoro-2-(trifluoromethoxy)pyridine-6-carboxylate