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