3-Cyano-4-methyl-5-(trifluoromethoxy)pyridine-2-sulfonamide
2-Cyano-3-(fluoromethyl)-4-nitro-6-(trifluoromethoxy)pyridine
3-Cyano-2-methyl-6-(trifluoromethoxy)pyridine-5-sulfonamide
5-(Chloromethyl)-2-cyano-3-nitro-6-(trifluoromethoxy)pyridine
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