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