6-Cyano-4-iodo-2-(trifluoromethoxy)pyridine-3-sulfonamide
6-Cyano-2-methoxy-4-nitro-3-(trifluoromethoxy)pyridine
2-Cyano-3-iodo-6-(trifluoromethoxy)pyridine-5-sulfonamide
Methyl 6-chloro-4-methoxy-2-(trifluoromethoxy)pyridine-3-carboxylate
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