2-Cyano-6-(trifluoromethoxy)pyridine-3-sulfonamide
4-(Chloromethyl)-2-cyano-6-(trifluoromethoxy)pyridine
2-(Chloromethyl)-4-cyano-5-(trifluoromethoxy)pyridine
5-Cyano-2-(trifluoromethoxy)pyridine-4-acetic acid
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