6-Hydroxy-3-methyl-2-(trifluoromethoxy)pyridine-4-sulfonamide
6-(Bromomethyl)-3-hydroxy-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
2-Hydroxy-5-methyl-3-(trifluoromethoxy)pyridine-6-sulfonamide
2-(Bromomethyl)-4-hydroxy-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine