5-Hydroxy-3-methoxy-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-Hydroxy-6-methoxy-2-(trifluoromethoxy)pyridine-3-sulfonamide
2-(Aminomethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-6-methanol
3-Hydroxy-5-methoxy-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride