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