Ethyl 5-fluoro-2-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylate
3-(Difluoromethyl)-5-fluoro-2-(trifluoromethoxy)pyridine-6-acetic acid
6-(Fluoromethyl)-2-hydroxy-3-methoxy-4-(trifluoromethoxy)pyridine
Ethyl 4-fluoro-5-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylate