3-Cyano-6-methyl-2-(trifluoromethoxy)pyridine-5-sulfonamide
4-Cyano-2-methyl-6-(trifluoromethoxy)pyridine-3-sulfonamide
5-Bromo-4-methoxy-3-nitro-2-(trifluoromethoxy)pyridine
3-Bromo-2-methoxy-4-nitro-5-(trifluoromethoxy)pyridine
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