4-Amino-6-fluoro-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-Amino-5-(chloromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine
Methyl 5-amino-3-fluoro-4-(trifluoromethoxy)pyridine-2-carboxylate
6-Amino-4-(chloromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine