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