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