Ethyl 2-amino-3-(chloromethyl)-5-(trifluoromethoxy)pyridine-4-carboxylate
4-Amino-2-iodo-6-(trifluoromethoxy)pyridine-3-sulfonamide
Methyl 3-amino-6-(chloromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
4-Amino-2-iodo-3-(trifluoromethoxy)pyridine-6-sulfonamide