Methyl 5-amino-3-bromo-2-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 4-amino-3-methyl-6-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 3-amino-5-bromo-4-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 4-amino-3-methyl-2-(trifluoromethoxy)pyridine-6-carboxylate