4-Amino-2-fluoro-5-(fluoromethyl)-3-(trifluoromethoxy)pyridine
4-Amino-3-(fluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine
5-Amino-3-fluoro-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine
4-Amino-6-(fluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine