5-Amino-3-(difluoromethyl)-4-methoxy-2-methylpyridine
2-(Chloromethyl)-4-cyano-6-(difluoromethyl)-3-hydroxypyridine
4-(4-Methyl-2-nitrobenzoyl)pyridine
2-Cyano-4-(difluoromethyl)-6-nitropyridine-3-carbonyl chloride
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