4-Cyano-5-nitro-3-(trifluoromethoxy)pyridine-2-methanol
2-(Bromomethyl)-6-cyano-3-nitro-4-(trifluoromethoxy)pyridine
6-(Bromomethyl)-3-cyano-4-nitro-2-(trifluoromethoxy)pyridine
Methyl 2-cyano-6-nitro-3-(trifluoromethoxy)pyridine-4-carboxylate
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