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