2-Chloro-6-(difluoromethyl)-3-fluoro-4-iodopyridine
2-Methyl-5-(trifluoromethyl)pyridine-4-carboxaldehyde
2-(Difluoromethyl)-3-nitropyridine-5-sulfonamide
4-(Difluoromethyl)-2-nitro-3-(trifluoromethyl)pyridine-5-sulfonyl chloride
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