3-Chloro-6-(difluoromethyl)-4-hydroxypyridine-2-carboxamide
2-Bromo-6-(difluoromethyl)-4-methylpyridine-3-carboxamide
4-Chloro-5-(difluoromethyl)-3-hydroxypyridine-2-carboxamide
6-Bromo-4-(difluoromethyl)-2-methylpyridine-3-carboxamide
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