3-Hydroxy-2-methoxy-5-(trifluoromethoxy)pyridine-6-sulfonamide
Ethyl 2-fluoro-3-nitro-5-(trifluoromethoxy)pyridine-4-carboxylate
3-Hydroxy-2-methoxy-4-(trifluoromethoxy)pyridine-5-sulfonamide
6-Hydroxy-2-methoxy-4-(trifluoromethoxy)pyridine-3-sulfonamide