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