Methyl 2-amino-6-fluoro-3-(trifluoromethoxy)pyridine-4-carboxylate
2-Amino-6-(difluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine
Methyl 6-amino-3-fluoro-4-(trifluoromethoxy)pyridine-2-carboxylate
3-Amino-6-(fluoromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine