3-Cyano-4-nitro-2-(trifluoromethoxy)pyridine-5-sulfonamide
2-Methyl-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-methanol
5-Cyano-2-(difluoromethyl)-4-methoxypyridine
3-Chloromethyl-4-hydroxy-2-nitropyridine
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