5-(Difluoromethyl)-3-methyl-2-nitropyridine-4-carboxylic acid
5-(Difluoromethyl)-2-methoxy-3-nitropyridine-6-carboxaldehyde
5-(Difluoromethyl)-3-methyl-4-nitropyridine-2-carboxylic acid
3-(Difluoromethyl)-5-methyl-2-nitropyridine-6-carboxylic acid
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