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