Methyl 2-hydroxy-5-nitro-6-(trifluoromethoxy)pyridine-3-acetate
4-Fluoro-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-6-methanol
Methyl 2-hydroxy-3-nitro-6-(trifluoromethoxy)pyridine-5-acetate
3-Fluoro-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine-6-methanol