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