4-(Difluoromethyl)-2-hydroxy-3-methyl-5-(trifluoromethoxy)pyridine
6-Hydroxy-3-nitro-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3-Fluoro-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-methanol
3-Hydroxy-5-methyl-6-(trifluoromethoxy)pyridine-2-carboxylic acid