5-(Chloromethyl)-4-(difluoromethyl)-3-methyl-2-nitropyridine
3-(Chloromethyl)-4-(difluoromethyl)-2-methyl-6-nitropyridine
6-(Bromomethyl)-4-(difluoromethyl)-3-methoxy-2-nitropyridine
3-(Chloromethyl)-2-(difluoromethyl)-6-methyl-5-nitropyridine
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