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