3-Amino-4-(fluoromethyl)-2-nitro-6-(trifluoromethoxy)pyridine
4-Bromo-2-(chloromethyl)-6-fluoro-3-(trifluoromethoxy)pyridine
3-Amino-2-(fluoromethyl)-6-nitro-4-(trifluoromethoxy)pyridine
2-Amino-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine-6-carboxylic acid