Ethyl 5-(fluoromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2-(fluoromethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine-3-acetate
Ethyl 4-(fluoromethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-2-carboxylate
3-(Difluoromethyl)-5-hydroxy-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine