2-(Difluoromethyl)-3-methoxy-4-nitropyridine-6-sulfonamide
5-(2,5-Dichlorophenyl)-2-nitropyridine
2-(Difluoromethyl)-3-methoxy-4-nitropyridine-5-sulfonamide
4-Chloro-3-(2,5-dichlorophenyl)-5-nitropyridine
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