Ethyl 6-hydroxy-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-carboxylate
2-(Fluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-6-methanol
Ethyl 2-hydroxy-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-carboxylate
Ethyl 3-hydroxy-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-6-carboxylate