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