Ethyl 5-amino-3-(chloromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
5-Bromo-2-cyano-3-(trifluoromethoxy)pyridine-4-acetic acid
Ethyl 3-amino-5-(chloromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate
4-Bromo-5-cyano-3-(trifluoromethoxy)pyridine-2-acetic acid