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