2,3-Bis(2,3,6-trichlorophenyl)-5-methylpyridine
2,3-Bis(2,3,6-trichlorophenyl)-4-methylpyridine
2,3-Bis(2,3,5-trichlorophenyl)-6-methylpyridine
2,3-Bis(2,3,5-trichlorophenyl)-5-methylpyridine
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