6-(2,3-Difluorophenyl)-2-methoxy-3-nitropyridine
3,5-Bis(2,3-difluorophenyl)-2-nitropyridine
2,5-Bis(2,3-difluorophenyl)-3-nitropyridine
2-Methoxy-5-nitro-3-(perfluorophenyl)pyridine
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