6-Bromo-4-cyano-2-(trifluoromethoxy)pyridine-3-carboxylic acid
5-Amino-4-nitro-3-(trifluoromethoxy)pyridine-2-sulfonamide
3-Amino-4-nitro-2-(trifluoromethoxy)pyridine-5-sulfonamide
2-Bromo-4-cyano-5-(trifluoromethoxy)pyridine-3-carboxylic acid
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