3-Methoxy-5-nitro-2-(trifluoromethoxy)pyridine-4-sulfonamide
2-Methoxy-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-acetonitrile
5-Methoxy-4-nitro-3-(trifluoromethoxy)pyridine-2-sulfonamide
3-Methoxy-5-nitro-2-(trifluoromethoxy)pyridine-4-acetic acid