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