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