2-Amino-4-(difluoromethyl)-3-iodopyridine-5-carboxamide
2-Amino-3-(difluoromethyl)-6-iodopyridine-4-carboxamide
3-Amino-5-(difluoromethyl)-6-fluoropyridine-2-carboxamide
3-Amino-5-(difluoromethyl)-4-fluoropyridine-2-carboxamide
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