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