4-Cyano-2-nitro-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride
2-Fluoro-5-nitro-6-(trifluoromethoxy)pyridine-3-methanol
2-(Chloromethyl)-4-cyano-3-methoxy-6-(trifluoromethoxy)pyridine
2-Fluoro-5-nitro-4-(trifluoromethoxy)pyridine-3-methanol
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