Ethyl 2-hydroxy-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-acetate
Ethyl 3-hydroxy-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-acetate
2-(Fluoromethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-6-acetic acid
Ethyl 2-hydroxy-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-acetate