3,5-Bis(2,6-dichlorophenyl)-2-nitropyridine
2,5-Bis(2,6-dichlorophenyl)-3-nitropyridine
2,6-Bis(3,4-dichlorophenyl)-4-nitropyridine
2,4-Bis(2,6-dichlorophenyl)-3-nitropyridine
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