5-Methoxy-2-nitro-3-(trifluoromethoxy)pyridine-4-sulfonamide
Ethyl 3-(aminomethyl)-4-methoxy-2-(trifluoromethoxy)pyridine-6-carboxylate
4-Methoxy-5-nitro-3-(trifluoromethoxy)pyridine-2-sulfonamide
Methyl 2-methoxy-3-nitro-5-(trifluoromethoxy)pyridine-6-acetate