2,4-Bis(2,4,5-trichlorophenyl)-3-fluoro-6-(trifluoromethyl)pyridine
4,5-Bis(2,4,5-trichlorophenyl)-2-fluoropyridine
3,5-Bis(2,4,5-trichlorophenyl)-4-fluoropyridine
3,5-Bis(2,4,5-trichlorophenyl)-2-fluoropyridine
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