2-Chloro-3-nitro-4-(trifluoromethoxy)pyridine-6-carboxylic acid
4-Cyano-5-methyl-2-(trifluoromethoxy)pyridine-3-sulfonamide
3-Cyano-6-methyl-4-(trifluoromethoxy)pyridine-2-sulfonamide
4-Cyano-3-methyl-5-(trifluoromethoxy)pyridine-2-sulfonamide
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