Methyl 5-(fluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylate
4-(Chloromethyl)-5-(difluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine
2-(Chloromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-4-methanol
Methyl 4-(fluoromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylate