2-(Difluoromethyl)-5-methyl-3-nitropyridine-4-sulfonyl chloride
3-(Chloromethyl)-5-(difluoromethyl)-4-methyl-2-nitropyridine
2-(Difluoromethyl)-3-methyl-5-nitropyridine-6-sulfonyl chloride
3-(Chloromethyl)-4-(difluoromethyl)-5-methyl-2-nitropyridine
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