6-Bromo-4-nitronicotinonitrile
3-(Difluoromethyl)-5-methoxy-6-nitropyridine-2-sulfonyl chloride
2-Hydroxy-5-nitro-6-(trifluoromethoxy)pyridine-3-sulfonamide
6-Methoxy-3-(trifluoromethyl)pyridine-2-acetonitrile
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