Methyl 5-(difluoromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-6-carboxylate
2-Fluoro-5-hydroxy-3-iodo-4-(trifluoromethoxy)pyridine
4-Hydroxy-3-iodo-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
5-Fluoro-3-hydroxy-4-methyl-2-(trifluoromethoxy)pyridine