2-Amino-6-(difluoromethyl)-3-iodopyridine-4-carboxylic acid
3-Amino-6-(difluoromethyl)-4-iodopyridine-2-carboxaldehyde
3-Amino-6-(difluoromethyl)-2-nitropyridine-4-acetic acid
5-Amino-3-(difluoromethyl)-2-nitropyridine-4-acetic acid
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