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