2-(Difluoromethyl)-6-hydroxy-4-iodo-3-(trifluoromethoxy)pyridine
2-(Fluoromethyl)-3-hydroxy-4-iodo-6-(trifluoromethoxy)pyridine
3-(Chloromethyl)-6-hydroxy-2-iodo-5-(trifluoromethoxy)pyridine
Methyl 3-fluoro-5-methoxy-2-(trifluoromethoxy)pyridine-6-carboxylate