Methyl 2-(chloromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 3-(fluoromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-6-acetate
3-(Difluoromethyl)-4-hydroxy-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
2-(Chloromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-4-acetic acid