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