4-Amino-3-(difluoromethyl)-2-nitropyridine-5-sulfonamide
Ethyl 2-amino-3-(difluoromethyl)-5-iodopyridine-4-acetate
Ethyl 2-amino-6-(difluoromethyl)-3-iodopyridine-4-acetate
Methyl 3-amino-6-(difluoromethyl)-2-iodopyridine-4-acetate
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