2-Amino-3-(difluoromethyl)-4-nitropyridine-6-carboxamide
2-Bromo-4-(difluoromethyl)-6-hydroxypyridine-3-carboxamide
4-Amino-3-(difluoromethyl)-2-methylpyridine-6-carboxamide
5-Bromo-2-(difluoromethyl)-3-fluoropyridine-6-carboxamide
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