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