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