2-(Difluoromethyl)-6-fluoro-3-(trifluoromethoxy)pyridine-5-acetic acid
Ethyl 3-(fluoromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine-4-acetate
6-(Difluoromethyl)-3-fluoro-2-(trifluoromethoxy)pyridine-4-acetic acid
Ethyl 2-(fluoromethyl)-6-hydroxy-4-(trifluoromethoxy)pyridine-3-acetate