4-Hydroxy-3-(2,3,4-trichlorophenyl)-2-(trifluoromethyl)pyridine
4-Hydroxy-2-(3,4,5-trichlorophenyl)-6-(trifluoromethyl)pyridine
4-Hydroxy-2-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)pyridine
4-Hydroxy-2-(3,4,5-trichlorophenyl)-3-(trifluoromethyl)pyridine