3-Amino-6-(difluoromethyl)-2-nitropyridine-4-acetic acid
5-Amino-3-(difluoromethyl)-2-nitropyridine-4-acetic acid
2-Amino-5-(difluoromethyl)-6-nitropyridine-3-acetic acid
Ethyl 2-amino-3-(difluoromethyl)-5-iodopyridine-4-carboxylate
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