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