4-Nitro-5-(trifluoromethoxy)pyridine-2-carboxamide
4-Nitro-2-(trifluoromethoxy)pyridine-6-carboxamide
3-(Difluoromethyl)-2-fluoro-6-methylpyridine-4-carboxamide
3-(Difluoromethyl)-2-fluoro-4-methylpyridine-6-carboxamide
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