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