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