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