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