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