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