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