Methyl 5-(chloromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylate
4-(Fluoromethyl)-6-iodo-3-methyl-2-(trifluoromethoxy)pyridine
Methyl 3-(chloromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylate
4-(Fluoromethyl)-2-iodo-3-methyl-5-(trifluoromethoxy)pyridine