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