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