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