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