3-Nitro-2-(trifluoromethoxy)pyridine-5-carboxamide
2-Bromo-6-cyano-3-(difluoromethyl)pyridine-4-carboxamide
2-Bromo-6-(difluoromethyl)-3-methoxypyridine-5-carboxamide
2-Bromo-4-(difluoromethyl)-6-methoxypyridine-3-carboxamide
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