2-Fluoro-6-nitro-3-(trifluoromethoxy)pyridine-5-sulfonamide
6-Fluoro-3-nitro-2-(trifluoromethoxy)pyridine-4-sulfonamide
4-(Bromomethyl)-3-cyano-5-(trifluoromethoxy)pyridine-2-acetonitrile
6-Cyano-2-methoxy-4-(trifluoromethoxy)pyridine-3-acetic acid
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