5-(Aminomethyl)-2-cyano-3-nitro-4-(trifluoromethoxy)pyridine
6-Chloro-2-nitro-3-(trifluoromethoxy)pyridine-4-sulfonamide
4-(Aminomethyl)-5-cyano-3-nitro-2-(trifluoromethoxy)pyridine
5-Cyano-3-iodo-4-(trifluoromethoxy)pyridine-2-sulfonamide
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