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