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