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