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