Methyl 4-(difluoromethyl)-2-methyl-3-nitropyridine-6-acetate
5-(Difluoromethyl)-2-methyl-3-nitropyridine-4-carboxylic acid
Methyl 5-(difluoromethyl)-3-methyl-2-nitropyridine-4-acetate
4-(Difluoromethyl)-3-methyl-6-nitropyridine-2-carboxylic acid
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