4-Chloro-2-(difluoromethyl)-3-methoxy-5-nitropyridine
5-Chloro-2-cyano-4-(difluoromethyl)-3-methylpyridine
3-Chloro-5-(difluoromethyl)-2-methoxy-4-nitropyridine
4-Chloro-3-cyano-5-(difluoromethyl)-2-methylpyridine
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