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