6-Methoxy-2-nitro-3-(trifluoromethoxy)pyridine-4-carbonyl chloride
2-Methoxy-5-nitro-6-(trifluoromethoxy)pyridine-3-carbonyl chloride
Ethyl 5-methoxy-2-nitro-4-(trifluoromethoxy)pyridine-3-acetate
Ethyl 4-methoxy-3-nitro-5-(trifluoromethoxy)pyridine-2-acetate