3-Cyano-4-(difluoromethyl)-2-fluoropyridine
6-(Difluoromethyl)-4-fluoro-2-iodopyridine-3-carboxaldehyde
4-Cyanopyridine-2-sulfonyl chloride
Ethyl 2-(difluoromethyl)-6-methyl-3-nitropyridine-4-acetate
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