2-Chloro-3-hydroxy-4-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-Chloro-6-hydroxy-4-(trifluoromethoxy)pyridine-2-sulfonamide
2-Chloro-5-(difluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine
3-Chloro-5-hydroxy-4-(trifluoromethoxy)pyridine-2-acetonitrile