2-(Difluoromethyl)-5-hydroxy-3-methyl-6-(trifluoromethyl)pyridine
2-(Difluoromethyl)-4-hydroxy-3-methyl-6-(trifluoromethyl)pyridine
6-(Difluoromethyl)-4-hydroxy-3-methoxypyridine-2-sulfonamide
5-(Difluoromethyl)-2-hydroxy-3-methoxypyridine-4-sulfonyl chloride