2-Chloro-5-hydroxy-3-(perfluorophenyl)pyridine
2-Chloro-3-hydroxy-4-(perfluorophenyl)pyridine
2,4-Bis(2,4,5-trichlorophenyl)-3-hydroxy-6-(trifluoromethyl)pyridine
3,5-Bis(2,4,5-trichlorophenyl)-4-hydroxypyridine
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